How Much Vit a in Grassfed Beef

Beef, grass-fed

Grass feeding is a practice not yet familiar to all consumers. 100% grass-fed beef comes from cows who have grazed in pasture year-round rather than being fed a processed diet for much of their life. Grass feeding improves the quality of beef, and makes the beef richer in omega-iii fats, vitamin E, beta-carotene, and CLA (a beneficial fatty acid named conjugated linoleic acid. (For more detailed information about grass feeding, please click here.) Just how important is grass feeding for beef quality? Equally you will see in the chart below, we have included grass-feeding every bit one of our meridian-level recommendations for anyone who plans to include beef in their meal program:

Shopping for Beef
Stick with organic	Organic standards help lower chance of contaminated feed and organic beef usually has higher nutrient quality. Notwithstanding, call up that organic past itself does not guarantee a natural lifestyle for the beef cows.
Ask for 100% grass-fed	Become across organic by asking for 100% grass-fed. Don't get sidetracked past the confusing assortment of labeling terms like natural" or "pasture-raised." Labeling laws allow products to display these terms even if cows spend piddling or no time outdoors in a pasture setting. Unfortunately, even the term "grass-fed" is not sufficient since grass-fed cows may take spent a relatively small amount of time grass feeding. The standard to look for on the characterization is "100% grass-fed." Talk to your grocer or the cow farmer and find out how the animals were actually raised. In improver, if you would like more than information about the practice of grass-feeding, please click here.
Consider local farms	Organic, 100% grass-fed beef may be available from local farms with small flocks, which provide a natural lifestyle for their cows. Two websites that can assistance you find pocket-sized local farms in your area are www.localharvest.org and www.eatwild.com. Both sites are searchable by zip code.

One thing you'll notice nearly the nautical chart higher up is an absence of recommendations about specific cuts of beef. In general, we recommend sticking with lower fat cuts of beef if you decide to include this food in your meal programme. Lower fat cuts include top round, bottom circular, eye of circular, flank, and strip. Health organizations take traditionally recommended avoidance of higher fatty cuts like tenderloin, ribeye, or porterhouse considering it can exist hard to brand room for the amount of total fat, saturated fatty, and calories they contain. Since likewise much total fat, too much saturated fat, and too many calories in a daily repast plan can raise the adventure of certain health problems, this approach makes sense to the states, specially in light of the fact that lower fatty beef cut tin still provide you with the nutritional benefits of 100% grass-fed beef in terms of omega-3s, CLA, beta-carotene, and vitamin E.

What's New and Beneficial Well-nigh Grass-Fed Beef

Recent studies accept underscored the large deviation in carotenoid content betwixt grass-fed and conventionally fed beef. Grass-fed beefiness may contain more than than twice the amount of beta-carotene and lutein that is present in conventionally fed beef. This relationship appears to hold truthful even if the cows take been fed silage during the winter months and pasture-feed only during the summertime. In addition, some researchers have suggested that the yellowish color of fat in grass-fed beefiness is a good way to determine the extent to which the animals have been pasture-fed.
The cholesterol content of grass-fed beef has repeated been shown to be lower than the cholesterol content in beefiness from conventionally fed animals. The decrease in cholesterol that you are about probable to obtain when switching from conventionally fed to grass-fed beef is approximately 22–39%. Since a single 4-ounce serving of conventionally fed beef will typically provide you with 90 milligrams of cholesterol or more, and since the recommended limit from the American Eye Association is 300 milligrams per solar day (and only 200 milligrams if you are a person who has experienced heart disease or has an LDL cholesterol of 100 mg/dL or more), this 22-39% decrease in cholesterol from grass-fed beef could be very helpful to you in helping you go along your full cholesterol intake nether the recommended limit.
Y'all'll find yourself getting 500-800 milligrams of CLA (conjugated linoleic acid) from a four-ounce serving of grass-fed beef. This amount is approximately two to 3 times greater than the amount found in non grass-fed beef. CLA is a fat acrid made from linoleic acid, an omega-6 fatty acid commonly found in food. Still, CLA is unique in its chemical structure, and this uniqueness is associated with an increasing listing of health benefits, including immune and inflammatory system support, improved bone mass, improved blood sugar regulation, reduced body fat, reduced risk of heart assault, and maintenance of lean body mass. Grass-fed beef also contains greater amounts of vaccenic acid than conventionally fed beef. Various bacteria in our digestive tract are able to convert vaccenic acid into CLA once nosotros've consumed grass-fed beef, and this procedure tin further increase the practical corporeality of CLA that we receive from grass-fed animals.
The omega-iii fat content of grass-fed beefiness varies widely, due to the wide variety of forage crops that can be planted in pastures (or that grow on pastureland in the wild); the age, breed, and health of cows; and seasonal constitute cycles in pastureland. Some contempo studies testify up to three.5 grams of full omega-3 fats in 4 ounces of grass-fed beefiness. That level would provide you with 100% of the daily requirement. In other recent studies, total omega-3s in grass-fed beef only reached 1 gram. All the same, a single gram of omega-3s could make an important contribution to a person's health. Nigh of the omega-3 content of grass-fed beefiness comes in the form of alpha-linolenic acid, or ALA. All the same, grass-fed beef also typically contains pocket-sized-to-moderate amounts of other omega-3s, including EPA (eicosapentaenoic acrid) and DHA (docosahexaenoic acid). The range we've seen in recent studies is 20-720 milligrams for EPA, and 10-120 milligrams for DHA. In all cases described in a higher place, grass-fed beef contained greater amounts of omega-3s (for ALA, EPA, and DHA) than conventionally fed beefiness.

Beef, grass-fed, strip steak, cooked
iv.00 oz
(113.xl grams)

Nutrient DRI/DV

This chart graphically details the %DV that a serving of Beef, grass-fed provides for each of the nutrients of which it is a proficient, very adept, or excellent source according to our Food Rating System. Additional information nearly the amount of these nutrients provided by Beef, grass-fed tin can be found in the Food Rating System Nautical chart. A link that takes you to the In-Depth Nutritional Profile for Beef, grass-fed, featuring information over 80 nutrients, tin can be found under the Food Rating System Chart.

Wellness Benefits
Description
History
How to Select and Store
Tips for Preparing and Cooking
How to Enjoy
Individual Concerns
Nutritional Profile
References

Health Benefits

Wide-Based Nutrient Back up

A recent study of children and teens in the U.Southward. has shown that individuals in these age groups depend on their intake of beef for the following cardinal nutrients and in the following amounts.

Vitamin B12: beef provides fourteen-21% of this B vitamin to U.S. children and teenagers
Zinc: thirteen-19% of this mineral is provided past beef to these age groups
Vitamin B3: U.Due south. children and teens receive 6-10% of their vitamin B3 from beefiness
Vitamin B6: five-viii% of this vitamin is provided by beef to these age groups
Iron: upward to 8% of dietary iron is provided to these historic period groups by beef

Additionally, beef is an important source of potassium, phosphorus, and protein to these historic period groups in the U.S. population. Very few U.South. children and teenagers—and equally few U.S. adults—consume grass-fed versus conventionally fed beef. For this reason, nosotros practice not accept data showing the potential contribution of grass-fed beef to other categories of food consumption. However, we do have enquiry evidence almost the average composition of grass-fed versus conventionally fed beef, and this enquiry evidence points to significant differences for the following key nutrients.

Vitamin E: repeatedly testify to exist college in grass-fed beef, sometimes at a level that is 3 times higher than conventional feeding
Beta-carotene: shown in several studies to be significantly college in grass-fed beefiness, and often at levels twice as high as the amount found in conventionally fed beef. Beta-carotene is not the just carotenoid phytonutrient that increases with grass feeding. The carotenoid lutein increases as well. This relationship between grass feeding and carotenoids appears to hold true even if the cows have been fed silage during the winter months and are pasture-fed simply during summer months. The relationship betwixt beta-carotene and grass-feeding in beef is so strong that some researchers accept suggested that the yellowish color of fat in grass-fed beefiness can exist used as a good way to determine the extent to which animals have been pasture-fed.
Omega-3 fatty acids: because many forage plants incorporate the omega-3 fatty acid alpha-linolenic acid (ALA), cows that forage in a pasture typically get higher levels of ALA in their diet. This ALA gets passed on to us when we eat beefiness, drink milk, or eat dairy products from cows similar cheese or yogurt. The omega-3 fatty content of grass-fed beefiness varies widely due to the wide variety of provender crops that can be planted in pastures (or that grow on pastureland in the wild); the age, breed, and health of cows; and seasonal plant cycles in pastureland. Some recent studies prove upwardly to 3.five grams of total omega-3 fats in four ounces of grass-fed beef. That level would provide you with 100% of the daily requirement. In other recent studies, total omega-3s in grass-fed beef but reached 1 gram. Still, a single gram of omega-3s could make an important contribution to a person'south health. Since ALA is the near common omega-3 fatty acid in the plants that cows eat on pastureland, nearly of the omega-3 content of grass-fed beef comes in the form of ALA. Notwithstanding, only like humans, cows are capable of taking the ALA in their diet and converting some of it into other omega-three fats, including EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid). The range nosotros've seen in recent studies for EPA and DHA in grass-fed beefiness is 20-720 milligrams for EPA and 10-120 milligrams for DHA. While the lower stop of these ranges is relatively small (and far lower, for example, than the amount of EPA and DHA independent in many fish), it is even so significant from a health standpoint. Additionally, in all of the research that nosotros have reviewed, grass-fed beefiness has contained greater amounts of omega-3s than conventionally fed beef.

When combined with the B vitamins and minerals listed in a higher place, these additional nutrients specifically associated with grass-feeding of beefiness—including vitamin Due east, beta-carotene, and omega-3s—make grass-fed beef unusually diverse in terms of its potential for nutrient support of health. Our food rating system also ranks grass-fed beef as a very good source of the antioxidant mineral selenium and a good source of the B-vitamin choline.

Conjugated Linoleic Acid CLA and Vaccenic Acrid

Conjugated linoleic acid (CLA) is a fatty acrid fabricated from linoleic acid, an omega-vi fatty acid commonly plant in food. However, linoleic acrid is not normally converted into CLA in significant amounts, making CLA much more than rare in food. The unique construction of CLA is associated with an increasing listing of wellness benefits, including allowed and inflammatory system support, improved bone mass, improved blood sugar regulation, reduced torso fat, and maintenance of lean body mass.

Y'all'll notice yourself getting 500-800 milligrams of CLA from a 4-ounce serving of grass-fed beef. This corporeality is approximately two to three times greater than the amount found in non grass-fed beefiness.

In add-on to CLA, you will also find yourself getting a fatty acrid called vaccenic acid from grass-fed beefiness. (Grass-fed beef contains greater amounts of vaccenic acid than conventionally fed beef.) Since various bacteria in our digestive tract can catechumen vaccenic acid into CLA once grass-fed beef has been consumed, this vaccenic acid supplied by grass-fed beef can further increase the practical amount of CLA that we receive from grass-fed animals.

Immune and Inflammatory Back up

We take yet to run into large-scale human studies showing decreased chance of chronic allowed and inflammatory health problems following routine intake of grass-fed beefiness. Future results forth these lines would not surprise us, since grass-fed beef tin provide substantial amounts of the antioxidant vitamins E and beta-carotene, the antioxidant minerals selenium and zinc, and the anti-inflammatory fatty acrid CLA. (For the cows themselves, research studies accept already shown greater antioxidant capacity in their cells brought about by grass-feeding, every bit well equally stronger performance of antioxidant enzymes like superoxide dismutase. In fact, grass feeding of cows has been shown to practise a improve chore of increasing their antioxidant capacity than supplying them with antioxidant supplements.) Exactly how much these results will extend to humans will most likely depend on the office played past grass-fed beef in the overall diet. While rich in the potential for anti-oxidant and anti-inflammatory support, grass-fed beef likewise harbors the potential for excessive intake of nutrients like saturated fatty and cholesterol when consumed in excessive amounts. It's exactly for this reason that we've recommended abstention of large portions of grass-fed beef in your everyday meal (along the lines of a 12-ounce steak in the center of your plate that would exist providing over one-half of the calories in your meal). Instead, nosotros recommend an average serving size for grass-fed beef of approximately iv ounces, whether added to a salad, stir-fry, sauce or other recipe.

Description

Beef is a general term used to describe the flesh derived from animals belonging to the Bovidae family of animals, and more specifically, to the genus chosen Bos. This Bos category includes the species Bos Taurus and Bos indicus. While people ordinarily use the word "moo-cow" to refer to this grouping of animals as a whole (a do that we have also adopted throughout our website), the discussion "cow" is used in a more much specific way within the beef manufacture. Within this industry, "cow beef" is only ane type of beef. Here are the four basic types of beef found in today'due south market.

Cow Beef: beefiness obtained from a mature female who had already calved at least once
Heifer Beefiness: beef obtained from a mature female who had never calved
Steer Beefiness: beefiness obtained from a mature male who had been castrated before the ability to reproduce
Bull Beef: beefiness obtained from a mature uncastrated male who was old enough to reproduce

Not typically found in the market is "stag beefiness" (beefiness obtained from a mature male who had been castrated later the ability to reproduce).

There are over 800 dissimilar breeds of beef cows. Some of the most common are Angus, Aberdeen Angus, Beefmaster, Brahman (Zebu), Hereford, (Whiteface), Jersey, Santa Gertrudis, Shortghorn, and Texas Longhorn.

Amidst all 97.eight million cows in the U.S., nearly 9.3 million are dairy cows. The full moo-cow population also includes thirty.five one thousand thousand beefiness cows (in the strict sense of mature females who have calved), fourteen million beef steers (mature males castrated before the power to reproduce), fifteen.seven million beef heifers (mature females who accept never calved), and 26.5 one thousand thousand calves.

Beef is available in a wide variety of cuts that can fulfill many different recipe needs. The different cuts range in texture and tenderness as well as in fat content. The leanest cuts of beef are taken from the back leg os, called the circular bone. These include eye of round, acme round, and lesser round. These cuts are the leanest (most muscular) because the moo-cow uses its back legs as its principal means of move. The underbelly, including rib, ribeye, spare rib, and brisket, is the site of the fattiest cuts.

The term "grass-fed" was only officially applied to beef by the U.S. Section of Agriculture'south (USDA) Agronomical Marketing Service (AMS) in 2007. Producers of grass-fed beef are not required to comply with the USDA standards, unless they desire to display the USDA grass-fed shield on their product labeling.

Standards for displaying the USDA'south grass-fed shield have been controversial. In order to qualify for the shield, producers of grass-fed beefiness just demand to brand continuous access to pasture available during the growing flavour (the catamenia of time between boilerplate concluding frost and the average subsequent start frost). This guideline allows for potential confinement of grass-fed cows during the rest of the year. Producers of grass-fed beef may as well display the shield while allowing their cows to consume corn, wheat, and other grains, but only if those grains are foraged and/or harvested for silage in their vegetative state before they have reached the mature seed stage of growth. Many dissimilar types of forage are permitted under the USDA labeling guidelines, including annual grasses, perennial grasses, legumes, Brassica vegetables, "browse" (the leaves of woody plants similar shrubs) and seeds (except for the seeds of grains).

The American Grassfed Association (AGA) and The American Food Brotherhood (AFA) are organizations that offer culling certification for grass-fed beef. AFA and AGA requirements for use of grass-fed labeling are stricter than USDA requirements. In item, they require a much smaller menstruum of confinement not to exceed 30 days per agenda twelvemonth. The Food Safety and Inspection Service (FSIS) of the USDA honors both AGA and AFA grass-fed labels and automatically allows beef producers who have qualified for the AGA/AFA labels to brandish the USDA shield. So when yous see the AGA or AFA certifications, you tin also be sure that your beef meets the USDA grass-fed standards.

This is what the American Grassfed Association label looks like:

This is what the American Nutrient Brotherhood label looks like:

Equally presented equally a "Best Option" recommendation in our chart at the beginning of this nutrient profile, we recommend that you purchase grass-fed beef that displays the USDA shield, the AGA label, the AFA characterization, or another grass-fed label issued past a certifying agency with similar standards for the grass-feeding of cows. One of our main reasons for this recommendation involves "finishing." We have seen many beef products that use the words "grass-fed" fifty-fifty though the cows involved were merely "finished" on pasture. "Finished" is the term used by the beefiness manufacture for the feeding of cows during the terminal 2-3 months prior to slaughter. This catamenia of fourth dimension has no legal definition and can sometimes vary more widely. Prior to "finishing," a cow may have experienced trivial or no pasture feeding. When not at pasture, cows are typically confined to feedlots and fed a mixture of concentrates, protein supplements, silages and forages, oft combined together in products called full mixed rations (TMRs). "Concentrates" are nutrient-dense composite feeds, often containing corn meal, corn gluten, barley, molasses, citrus lurid, soy protein, urea, and other components.

There is yet another reason why we recommend certified versus non-certified grass-fed beef. From our perspective, grass feeding is not simply a question of what a moo-cow puts into his or her mouth. It'southward more than a question about the lifestyle that is natural for cows, involving exercise and fresh air and plant food that would naturally be available in their environs. Grass-fed certifying organizations accept often paid attention to these factors and take established standards that attempt accost these factors in varying degrees.

History

Cows may have first been domesticated as early as 7000-8000 BC, outset in the region of the Eastern Mediterranean around the Tigris and Euphrates Rivers which eventually came to exist known every bit Mesopotamia. Several thousand years subsequently, in that location is evidence of domestication in China, Korea, and Mongolia, besides equally northern Africa. It was not just the meat, milk, and blood of cows that cultures found valuable but as well their ability to serve as typhoon animals which could aid with plowing, trampling grain, powering grind wheels, pulling logs, and transporting carts and wagons. Today, the give-and-take "oxen" is typically used to refer to castrated male person cows that are used for piece of work purposes.

Columbus brought cattle on his second voyage to North America in 1493, and it's clear that when Columbus helped found Spanish colonies in Hispaniola in the Caribbean that expanded over the next decades, cattle herds played a fundamental role in the viability of the colonies. Cows were present in the colony of Jamestown by 1611, and many European colonists came to own cows over the class of the 17th century.

As mentioned previously, the nowadays-day size of the cow population in the U.S. is shut to 100 million, including some threescore one thousand thousand cows being raised for beef. Annual per person beefiness consumption in the U.Due south. peaked at 184 pounds per person (almost exactly one/2 pound per day) in 2004 and now averages approximately 166 pounds, or about ten% less over a menses of about 10 years.

How to Select and Store

When you are at the grocery store, buy raw meats concluding. Since raw meats may contaminate other grocery items, proceed fresh meats apart from other items. Put raw meat packages in a plastic purse, and then juices won't drip onto other foods. If it will take y'all more than an hour to get home, pack raw meats in an water ice chest, and proceed the ice chest in the passenger area of the car during warm weather. Take meats direct home to the refrigerator or freezer.

There are a few clues y'all can look for that will assist you choose fresher quality beef. E'er examine the sell-by date on the characterization and cull the beefiness with the latest date. The muscle portion of the meat should be a cherry-red or purplish color and not brown, which is a point that the meat has been excessively exposed to oxygen and is spoiled. Purchase beef that has the least corporeality of fat. As previously explained, the leanest cuts of beef are taken from the back leg bone, called the circular bone. These include eye of round, top round, and bottom circular. These cuts are the leanest (most muscular) considering the cow uses its back legs as its main means of motility. The round is your best cutting for lean, low-fat beefiness. Other lean cuts of beef include strip steak and flank steak. While some website include sirloin and T-bone in the lean cut category, these cuts are usually most thirty-l% higher in full fat.

If you are purchasing footing beef, you are nigh likely to observe labeling that reads, "Fat not to exceed 15%" or a similar argument with a unlike pct, for example "12%" or "10%" or in some rare cases "5%." Percent fat labels are both confusing and misleading, because these percentages do not refer to percent of calories only to percent of the product by weight.

Ground beef that is 15% fat by weight is actually 55% fat in terms of calories, and ground beef that is 10% fat by weight gets 44% of its calories from fat. Both types of ground beefiness exceed the fatty content that we recommend. Please note that 5% footing beef brings the percent fat from calories downward to approximately 25%, and that's a level makes sense to us.

Unfortunately, however, we near never see ground beef in groceries that is labeled "Fatty not to exceed 5%." For this reason, we recommend taking a lean cut of pre-packaged beefiness with the amount you wish to purchase from the meat section, bringing it to the in-shop butcher, and requesting that information technology be footing for you. (Remember that lean cuts include acme circular, bottom circular, eye of round, strip, and flank.) Alternatively, you could ask an in-store butcher to grind up whatever amount of lean beefiness you desire from beefiness that has yet to be packaged and displayed for purchase.

Whenever possible, we recommend that you purchase non just certified grass-fed beefiness, but besides certified organic beef. Certified organic beef is much less likely to expose you to unwanted pesticide, antibiotic, or hormone residues and information technology is also illegal for certified organic beef to have been genetically modified or irradiated.

Since beef is highly perishable, it should always be kept at cold temperatures, either refrigerated or frozen. Refrigerate the beef in the original store packaging, if it is still intact and secure, as this will reduce the amount of treatment involved. Length of storage varies with the cut of beef as larger pieces will have a longer shelf life than pieces with increased surface area. Ground beef volition keep for most ane to ii days, steaks for 2 to three days, and roasts for three to four days.

If yous have more beef than you tin can use within this period of time, you tin can freeze it in a cold temperature freezer. Using freezer paper, wrap the beef carefully so that information technology is as tightly packaged as possible. Footing beef should be able to keep for two to three months, while steaks should proceed for about six months.

Tips for Preparing and Cooking

Special condom precautions are of import when treatment beefiness. Even so, the following recommendations should be used as guidelines when treatment any animal mankind involved in a meal.

E'er wash your easily thoroughly with hot soapy water before preparing foods and after handling raw beef. Don't permit raw meat or juices impact ready-to-become foods, either in the refrigerator or during training. Don't put cooked foods on the same plate that held raw beef. Always wash utensils that have touched raw meat with hot, soapy water before using them for cooked meats. Wash counters, cutting boards, and other surfaces raw meats accept touched. These surfaces may exist sanitized by cleaning with a solution of 1 teaspoon chlorine bleach per quart of h2o.

Thaw uncooked frozen beefiness in the refrigerator or in cold water. Never thaw beefiness at room temperature. Thawing past refrigeration requires planning ahead and most likely allowing a 24-hour thawing period. After defrosting raw beef by this method, it will be safe in the refrigerator for upwardly to v days before cooking.

To thaw beef in common cold water, leave the beefiness in its original wrapping or place it in a watertight plastic handbag. Change the water every xxx minutes.

Marinate beef in the refrigerator, non on the counter. Discard the marinade after use because it contains raw juices, which may harbor bacteria. If you want to use the marinade equally a dip or sauce, reserve a portion before adding raw food.

Never brown or partially cook beefiness, then refrigerate and finish cooking later because any leaner nowadays volition non have been destroyed.

Using a thermometer is the only reliable way to ensure safe and to determine the "doneness" of beef and well-nigh other foods. To be safe, a product must exist cooked to an internal temperature high enough to destroy any harmful bacteria that may have been in the food. Many food handlers believe that visible indicators, such as colour changes in the food, tin can be relied on to determine whether foods have been cooked long plenty to ensure bacterial destruction. However, recent research has shown that color and texture indicators are non reliable.

When cooking whole cuts or parts of beef, the thermometer should be inserted into the thickest part of the meat, away from the bone, fatty and gristle. The thermometer may be inserted sideways if necessary.

Whole Muscle Meats: The USDA recommends cooking to a minimum internal temperature of 160°F (72°C) for medium-cooked whole cuts of fresh beefiness and 170°F (77°C) for well-washed cuts.

Ground Beef: Basis beef must be cooked thoroughly to kill harmful leaner. Unlike whole musculus meat, whose interior meat is sterile, the grinding process exposes the interior meat in basis beef to bacteria, which may exist on the surface, in the air, on equipment, or on people's hands. To kill these leaner, nutrient rubber experts accept one major dominion of pollex—melt ground beef to at least 160°F (72°C). This step, while very simple, offers the best protection that consumers tin can have for serving ground beef products safely.

How to Savor

A Few Quick Serving Ideas

Good for you sauté thin slices of steak with onions, garlic, fresh basil, lemongrass and chili peppers for a southeast Asian inspired meal.
Add 2-iv ounces of grass-fed ground beefiness to tomato sauce and serve over pasta.

Individual Concerns

Take chances of Contamination

Over the past 15 years, over 250 one thousand thousand pounds of beef accept been recalled for contamination reasons past food companies and meat packers across the The states. The largest single recall affected more than ten,000 supermarkets, restaurants, retailers, schoolhouse districts, and other establishments. Well-known companies like ConAgra have been involved in some of the largest recalls. Several hundred cases of illness and vii deaths were documented over this time period in association with contaminated beefiness.

By far the most problematic of the beef contaminants has been the bacterium Due east. coli 0157:H7. Seven different strains of E.coli have been involved in contagion problems (including EPEC, ETEC, EIEC, EAEC, VTEC, DAEC, and NTEC). Contagion has been detected in a multifariousness of unlike settings, including pre-slaughter, processing and packing, distribution, retail handling, retail cooking, and dwelling house storage. One recent report has predicted that over 99% of all beef contagion could be prevented past a combination of comprehensive and aggressive sanitation steps during all stages of the beef product process. These sanitation steps would include more effective use of vaccines, antibiotics, and probiotics prior to slaughter; more consequent use of carcass washes, acrid spray chill, and steam pasteurization during processing; improved freezing and chilling during packing and distribution; improved consumer handling and storing post-purchase; and better cooking temperature control in homes and restaurants. Withal, these pre-processing, processing, and post-processing steps do not adequately accost contamination problems in the minds of many experts familiar with beef industry practices. In their view, contamination with micro-organisms like Eastward. coli is inextricably tied to the unnatural habitat and lifestyle in which beef cattle are required to participate.

Irradiation of Beefiness

The U.S. Food and Drug Assistants (FDA) get-go approved irradiation of beef in December 1997 following problematic recollect of 25 million pounds of beef processed through the Columbus, Nebraska beef packing found owned past the Hudson Foods Company in Rogers, Arkansas. The beef had go contaminated with Eastward. coli 0157:H7. (The Nebraska packing establish had originally been established to supply beef exclusively for Burger King restaurants beginning in 1995.) Irradiation of beefiness effectively kills micro-organisms (including East. coli 0157:H7) that may be present in the beef. Raw beefiness is typically passed along a conveyor belt and very briefly exposed to gamma irradiation from in the range of 4.v-seven.0kGy. While radioactive isotopes of cobalt-60 or cesium-137 have traditionally been used as sources of irradiation, electron beam irradiation and x-ray irradiation are besides possible. In practice, few facilities in the U.S. commonly irradiate large amounts of beef, and approximately 5-10% of all U.S. beef is currently irradiated. When prepackaged and sold by retail groceries, irradiated beef is required by the FDA to carry a characterization that includes this radura symbol.

Similar contamination with micro-organisms like Eastward. coli , many experts who are knowledgeable near the beef industry question the appropriateness of irradiation from radioactive isotopes, electron beams or x-rays as a solution to bug with beef contamination problems. In their view, potentially contaminated beef should be removed from the marketplace rather than irradiated for hereafter consumption.

Excessive Greenhouse Gases Released During Beef Production

The potential contribution of commercial beef product to global warming is a further business concern for many individuals who try to evaluate the appropriateness of beefiness in their diet. Manure from commercial beefiness feedlots is a main contributor to release of methane gas into the atmosphere from the agricultural sector of the U.Due south. economy, and forth with carbon dioxide and nitrous oxide, marsh gas gas is one of the master problematic greenhouse gases (GHGs) that has been increasing at an unhealthy rate in the earth'due south atmosphere. Nitrous oxide is a second GHG that has been tracked to commercial beef production due to heavy use of nitrogen-containing fertilizers used in the production of feedstuffs for beef cattle. 1 of the reasons we recommend grass-fed beef involves the ability of grass feeding to assistance offset GHG release by reducing atmosphere carbon dioxide. (When pastures are filled with light-green plants, these plants can take in significant amounts of atmospheric carbon dioxide and help lower the level of this GHG in the environment.)

Nutritional Profile

Beefiness is an excellent source of vitamin B12 and very proficient source of protein, niacin, vitamin B6, selenium, zinc and phosphorus. It is also a good source of choline, pantothenic acrid, iron, potassium and vitamin B2.

Introduction to Food Rating System Nautical chart

In order to better help you place foods that feature a high concentration of nutrients for the calories they comprise, we created a Nutrient Rating Organization. This system allows us to highlight the foods that are especially rich in detail nutrients. The following chart shows the nutrients for which this food is either an excellent, very practiced, or good source (below the chart y'all will find a table that explains these qualifications). If a nutrient is not listed in the chart, it does not necessarily mean that the food doesn't incorporate it. It just ways that the nutrient is not provided in a sufficient amount or concentration to encounter our rating criteria. (To view this food's in-depth nutritional profile that includes values for dozens of nutrients - not just the ones rated every bit first-class, very adept, or good - delight use the link below the chart.) To read this chart accurately, y'all'll need to glance upwards in the top left corner where you will find the proper noun of the food and the serving size we used to calculate the food'southward nutrient composition. This serving size will tell you how much of the food you need to eat to obtain the amount of nutrients found in the chart. Now, returning to the chart itself, you lot tin wait next to the nutrient name in gild to find the food corporeality it offers, the percent Daily Value (DV%) that this corporeality represents, the nutrient density that we calculated for this food and nutrient, and the rating nosotros established in our rating system. For virtually of our food ratings, we adopted the government standards for food labeling that are found in the U.Due south. Food and Drug Assistants's "Reference Values for Nutrition Labeling."

Read more than background data and details of our rating organization.

Nutrient	Amount	DRI/DV (%)	Nutrient Density	World'south Healthiest Foods Rating
Beefiness, grass-fed, strip steak, cooked 4.00 oz 113.twoscore grams Calories: 175 GI: very low
vitamin B12	1.44 mcg	60	6.two	very good
protein	26.16 g	52	5.4	very good
vitamin B3	7.60 mg	48	four.9	very good
omega-three fats	1.10 g	46	four.7	very skillful
vitamin B6	0.74 mg	44	four.5	very good
selenium	23.93 mcg	44	iv.5	very good
zinc	4.09 mg	37	3.eight	very skilful
phosphorus	240.xl mg	34	3.5	very skilful
choline	73.82 mg	17	ane.8	good
pantothenic acid	0.77 mg	fifteen	1.6	proficient

World's Healthiest Foods Rating	Dominion
excellent	DRI/DV>=75% OR Density>=7.6 AND DRI/DV>=x%
very good	DRI/DV>=l% OR Density>=3.4 AND DRI/DV>=5%
skillful	DRI/DV>=25% OR Density>=1.v AND DRI/DV>=ii.five%

In-Depth Nutritional Profile

In improver to the nutrients highlighted in our ratings chart, here is an in-depth nutritional contour for Beef, grass-fed. This profile includes information on a full array of nutrients, including carbohydrates, saccharide, soluble and insoluble fiber, sodium, vitamins, minerals, fat acids, amino acids and more.

BASIC MACRONUTRIENTS AND CALORIES
Beefiness, grass-fed, strip steak, cooked (Notation: "--" indicates data unavailable)
4.00 oz (113.40 chiliad)	GI: very low
nutrient	amount	DRI/DV (%)
Protein	26.16 chiliad	52
Carbohydrates	0.00 g	0
Fat - total	viii.ten g	x
Dietary Fiber	0.00 g	0
Calories	175.00	ten
MACRONUTRIENT AND CALORIE DETAIL
nutrient	amount	DRI/DV (%)
Carbohydrate:
Starch	0.00 g
Full Sugars	0.00 thousand
Monosaccharides	0.00 chiliad
Fructose	0.00 k
Glucose	0.00 yard
Galactose	0.00 g
Disaccharides	0.00 g
Lactose	0.00 m
Maltose	0.00 m
Sucrose	0.00 chiliad
Soluble Cobweb	0.00 g
Insoluble Fiber	0.00 g
Other Carbohydrates	0.00 g
Fat:
Monounsaturated Fat	2.80 k
Polyunsaturated Fat	2.50 g
Saturated Fatty	ii.fourscore thou
Trans Fat	0.13 g
Calories from Fat	72.90
Calories from Saturated Fat	25.20
Calories from Trans Fatty	1.15
Cholesterol	74.00 mg
Water	83.26 1000
MICRONUTRIENTS
nutrient	corporeality	DRI/DV (%)
Vitamins
Water-Soluble Vitamins
B-Circuitous Vitamins
Vitamin B1	0.06 mg	5
Vitamin B2	0.14 mg	11
Vitamin B3	7.60 mg	48
Vitamin B3 (Niacin Equivalents)	7.threescore mg
Vitamin B6	0.74 mg	44
Vitamin B12	1.44 mcg	60
Biotin	-- mcg	--
Choline	73.82 mg	17
Folate	14.74 mcg	4
Folate (DFE)	14.74 mcg
Folate (nutrient)	14.74 mcg
Pantothenic Acid	0.77 mg	15
Vitamin C	0.00 mg	0
Fat-Soluble Vitamins
Vitamin A (Retinoids and Carotenoids)
Vitamin A International Units (IU)	85.00 IU
Vitamin A mcg Retinol Activity Equivalents (RAE)	4.25 mcg (RAE)	0
Vitamin A mcg Retinol Equivalents (RE)	8.l mcg (RE)
Retinol mcg Retinol Equivalents (RE)	0.00 mcg (RE)
Carotenoid mcg Retinol Equivalents (RE)	eight.fifty mcg (RE)
Alpha-Carotene	0.00 mcg
Beta-Carotene	51.00 mcg
Beta-Carotene Equivalents	8.50 mcg
Cryptoxanthin	0.00 mcg
Lutein and Zeaxanthin	14.70 mcg
Lycopene	0.00 mcg
Vitamin D
Vitamin D International Units (IU)	-- IU	--
Vitamin D mcg	-- mcg
Vitamin E
Vitamin Eastward mg Alpha-Tocopherol Equivalents (ATE)	0.25 mg (ATE)	2
Vitamin E International Units (IU)	0.37 IU
Vitamin Due east mg	0.25 mg
Vitamin K	1.02 mcg	1
Minerals
nutrient	amount	DRI/DV (%)
Boron	-- mcg
Calcium	10.21 mg	ane
Chloride	-- mg
Chromium	-- mcg	--
Copper	0.08 mg	9
Fluoride	-- mg	--
Iodine	-- mcg	--
Iron	ii.04 mg	11
Magnesium	26.08 mg	half-dozen
Manganese	0.01 mg	0
Molybdenum	-- mcg	--
Phosphorus	240.xl mg	34
Potassium	387.82 mg	8
Selenium	23.93 mcg	44
Sodium	62.37 mg	4
Zinc	four.09 mg	37
INDIVIDUAL Fat ACIDS
nutrient	amount	DRI/DV (%)
Omega-3 Fatty Acids	ane.10 thousand	46
Omega-6 Fatty Acids	one.fifty thou
Monounsaturated Fats
14:1 Myristoleic	0.01 g
15:1 Pentadecenoic	0.00 g
xvi:1 Palmitol	0.08 grand
17:1 Heptadecenoic	0.00 g
18:1 Oleic	1.03 k
xx:1 Eicosenoic	0.00 g
22:i Erucic	0.00 g
24:i Nervonic	0.00 g
Polyunsaturated Fatty Acids
eighteen:2 Linoleic	one.49 g
xviii:two Conjugated Linoleic (CLA)	2.27 g
xviii:3 Linolenic	0.02 1000
xviii:4 Stearidonic	-- g
20:3 Eicosatrienoic	-- g
twenty:iv Arachidonic	0.01 one thousand
20:five Eicosapentaenoic (EPA)	0.26 g
22:five Docosapentaenoic (DPA)	0.00 g
22:half dozen Docosahexaenoic (DHA)	0.04 m
Saturated Fatty Acids
4:0 Butyric	0.00 g
vi:0 Caproic	0.00 g
eight:0 Caprylic	0.00 g
10:0 Capric	0.00 grand
12:0 Lauric	0.00 g
14:0 Myristic	0.07 g
15:0 Pentadecanoic	0.01 g
16:0 Palmitic	0.65 g
17:0 Margaric	0.03 g
18:0 Stearic	0.40 g
20:0 Arachidic	0.00 k
22:0 Behenate	0.00 one thousand
24:0 Lignoceric	0.00 1000
Private AMINO ACIDS
food	amount	DRI/DV (%)
Alanine	1.59 grand
Arginine	1.69 thou
Aspartic Acid	ii.38 yard
Cysteine	0.33 yard
Glutamic Acid	iii.93 g
Glycine	1.59 thou
Histidine	0.83 g
Isoleucine	1.18 1000
Leucine	2.08 one thousand
Lysine	ii.21 g
Methionine	0.68 g
Phenylalanine	1.03 k
Proline	i.25 1000
Serine	ane.03 chiliad
Threonine	1.04 g
Tryptophan	0.17 one thousand
Tyrosine	0.83 thou
Valine	i.30 g
OTHER COMPONENTS
nutrient	amount	DRI/DV (%)
Ash	ane.92 m
Organic Acids (Total)	0.00 m
Acetic Acid	0.00 1000
Citric Acrid	0.00 g
Lactic Acid	0.00 yard
Malic Acrid	0.00 yard
Taurine	-- g
Sugar Alcohols (Total)	0.00 g
Glycerol	0.00 thousand
Inositol	0.00 g
Mannitol	0.00 g
Sorbitol	0.00 grand
Xylitol	0.00 chiliad
Artificial Sweeteners (Full)	-- mg
Aspartame	-- mg
Saccharin	-- mg
Alcohol	0.00 chiliad
Caffeine	0.00 mg
Notation: The food profiles provided in this website are derived from The Food Processor, Version 10.12.0, ESHA Research, Salem, Oregon, The states. Among the 50,000+ food items in the chief database and 163 nutritional components per item, specific nutrient values were oftentimes missing from any item food item. We chose the designation "--" to represent those nutrients for which no value was included in this version of the database.

References

Ajmone-Marsan P, Garcia JF, and Lenstra JA. 2010. On the origin of cattle: How aurochs became cattle and colonized the globe. Evolutionary Anthropology: Issues, News, and Reviews 19(four):148-157.
Beauchemin KA, Janzen HH, Footling SM et al. Mitigation of greenhouse gas emissions from beefiness production in western Canada — Evaluation using farm-based life bicycle cess. Animal Feed Science and Technology, Volumes 166-167, 23 June 2011, Pages 663-677.
Crosson P, Shalloo Fifty, O'Brien D et al. A review of whole farm systems models of greenhouse gas emissions from beef and dairy cattle production systems. Animal Feed Science and Technology, Volumes 166-167, 23 June 2011, Pages 29-45.
Descalzo AM, Rossetti L, Grigioni G et al. Antioxidant condition and odour profile in fresh beef from pasture or grain-fed cattle. Meat Science, Book 75, Effect 2, Feb 2007, Pages 299-307.
Dilzer A and Park Y. Implication of conjugated linoleic acrid (CLA) in man health. Crit Rev Food Sci Nutr. 2012;52(half dozen):488-513.
Driskell JA, Kim YN, Giraud DW et al. Vitamin and mineral content of value cuts from beef steers fed distiller'southward grains. Periodical of Food Composition and Analysis, Volume 24, Event 3, May 2011, Pages 362-367
Elmore JS, Warren HE, Mottram DS et al. A comparison of the aroma volatiles and fatty acid compositions of grilled beefiness muscle from Aberdeen Angus and Holstein-Friesian steers fed diets based on silage or concentrates. Meat Science, Volume 68, Issue ane, September 2004, Pages 27-33.
French P, O'Riordan EG, Monahan FJ et al. Fatty acid composition of intra-muscular triacylglycerols of steers fed autumn grass and concentrates. Livestock Production Science, Volume 81, Issues 2-3, June 2003, Pages 307-317.
Jiang T, Busboom JR, Nelson ML et al. The influence of forage diets and crumbling on beef palatability. Meat Science, Volume 86, Event 3, Nov 2010, Pages 642-650.
Jiang T, Mueller CJ, Busboom, JR et al. Fat acid composition of adipose tissue and musculus from Jersey steers was affected by finishing diet and tissue location. Meat Science, Book 93, Effect ii, February 2013, Pages 153-161.
Korhonen G, Vanhatalo A, and Huhtanen P. Consequence of Protein Source on Amino Acid Supply, Milk Product, and Metabolism of Plasma Nutrients in Dairy Cows Fed Grass Silage. Periodical of Dairy Science, Volume 85, Effect 12, December 2002, Pages 3336-3351.
Lorenzen CL, Golden JW, Martz FA et al,. Conjugated linoleic acid content of beef differs by feeding government and musculus. Meat Science, Volume 75, Issue 1, January 2007, Pages 159-167.
Maughan C, Tansawat R, Cornforth D et al. Development of a beef season dictionary and its awarding to compare the season profile and consumer acceptance of rib steaks from grass- or grain-fed cattle. Meat Science, Volume 90, Issue 1, Jan 2012, Pages 116-121.
Muchenje V, Dzama Grand, Chimonyo Yard et al. Some biochemical aspects pertaining to beef eating quality and consumer health: A review. Food Chemistry, Book 112, Issue two, xv Jan 2009, Pages 279-289.
Napolitano F, Braghieri A, Piasentier East et al. Event of data most organic production on beef liking and consumer willingness to pay. Food Quality and Preference, Volume 21, Effect 2, March 2010, Pages 207-212.
Nielsen BK and Kristensen AR. Optimal decisions in organic beef production from steers — Effects of criterion of optimality and price changes. Livestock Science, Book 110, Issues 1-2, June 2007, Pages 25-32.
Nielsen BK and Thamsborg SM. Welfare, health and product quality in organic beef product: a Danish perspective. Livestock Production Science, Volume 94, Issues 1-2, June 2005, Pages 41-50.
O'Neill CE, Zanovec Yard, Keast DR et al. Nutrient contribution of total and lean beef in diets of US children and adolescents: National Health and Diet Examination Survey 1999-2004. Meat Science, Volume 87, Effect three, March 2011, Pages 250-256.
Pavan E and Duckett SK. Fatty acid composition and interrelationships among eight retail cuts of grass-feed beef. Meat Scientific discipline, Volume 93, Issue 3, March 2013, Pages 371-377.
Poulson CS, Dhiman TR, Cornforth D et al. Conjugated linoleic acid content of beef from cattle fed diets containing high grain, CLA, or raised on forage. Livestock Production Science, Volume 91, Issues 1-two, i December 2004, Pages 117-128.
Purchas RW and Busboom JR. The effect of production organisation and age on levels of atomic number 26, taurine, carnosine, coenzyme Q10, and creatine in beefiness muscles and liver. Meat Science, Volume seventy, Effect four, August 2005, Pages 589-596.
Purchas R, Zou M, Pearce P et al. Concentrations of vitamin D3 and 25-hydroxyvitamin D3 in raw and cooked New Zealand beef and lamb. Journal of Food Limerick and Analysis, Volume xx, Upshot 2, March 2007, Pages ninety-98.
Roggeman S, van den Brink Northward, Van Praet N et al. Metal exposure and accumulation patterns in gratis-range cows (Bos taurus) in a contaminated natural area: Influence of spatial and social behavior. Environmental Pollution, Volume 172, Jan 2013, Pages 186-199.
Rohrle FT, Moloney AP, Osorio MT et al. Carotenoid, colour and reflectance measurements in bovine adipose tissue to discriminate between beef from different feeding systems. Meat Science, Book 88, Result 3, July 2011, Pages 347-353.
Schor A, Cossu ME, Picallo A et al. Nutritional and eating quality of Argentinean beef: A review. Meat Science, Volume 79, Issue 3, July 2008, Pages 408-422.
Smith BA, Fazil A and Lammerding AM. A risk assessment model for Escherichia coli O157:H7 in ground beef and beefiness cuts in Canada: Evaluating the effects of interventions. Food Command, Volume 29, Issue 2, Feb 2013, Pages 364-381.
Warren HE, Schollan NC, Enser M et al. Effects of brood and a concentrate or grass silage nutrition on beefiness quality in cattle of 3 ages. I: Animal functioning, carcass quality and muscle fatty acid composition. Meat Science, Book 78, Result 3, March 2008, Pages 256-269.
van Wijlen RPJ and Colombani PC. Grass-based ruminant production methods and human being bioconversion of vaccenic acid with estimations of maximal dietary intake of conjugated linoleic acids. International Dairy Periodical, Volume 20, Upshot 7, July 2010, Pages 433-448.
Wismer WV, Okine EK, Stein A et al. Physical and sensory characterization and consumer preference of corn and barley-fed beefiness. Meat Science, Book 80, Issue iii, November 2008, Pages 857-863.
Xue H, Manville D, Yous W et al. Consumer preferences and willingness to pay for grass-fed beef: Empirical prove from in-store experiments. Nutrient Quality and Preference, Volume 21, Result 7, October 2010, Pages 857-866.

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