Field's Grassfed Beef
A consumer must undersand that by eating grassfed beef, he gets less fat, fewer calories, more beta-carotene and vitamin E, lower risk of Escherichia coli (E. coli), and most importantly more conjugated linoleic acid (CLA) and a balanced source of omega-3 and omega-6 fatty acids relative to grainfed beef (Robinson 2000).
What are Omega-3 and Omega-6 Fatty Acids?
Omega fatty acids are essential fatty acids (EFAs) that are necessary for normal growth and development, but they cannot be manufactured in the human body (Simopoulos and Robinson 1999). There are two families of EFA's, "omega-3" fatty acids and "omega-6" fatty acids. A 1 to 1 ratio of omega-3 and omega-6 fatty acids has been reported to be the most beneficial ratio to the human body (Simopoulos and Robinson 1999). With the correct ratio of omega-3 to omega-6 fatty acids, the body is more prone: to reduce inflammation, lower blood pressure, prevent irregular heartbeats, and promote healthy blood flow. In general, conventionally grainfed beef has low levels of omega-3 fatty acids and high levels of omega-6 fatty acids, while properly raised grassfed beef provides a balanced 1 to 1 ratio of these two EFAs.
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What is conjugated linoleic acid (CLA)?
CLA is another fatty acid that the human body cannot manufacture and must be added to the diet from an outside source such as grassfed beef. Grassfed ruminants are the richest known source of CLA, due to their ability to biohydrogenate linolenic and linoleic acid found in grasses and oils. Conventional grainfed beef is known to have very low levels of CLA due to fattening the animals on grain with relatively low CLA. CLA received widespread media attention several years ago when it was identified as a component of red meat that could prevent cancer. Eating this fatty acid can also help reduce an obesity problem. Finally, CLA is a compound that synthesizes simple substances into living tissue, in this case fat to lean muscle.
Omega-3 Fatty Acids Vanish in Feedlots
CLA Concentrations of Beef
(gCLA/100g of meat or g/3.5oz of meat)
(gCLA/100g of meat or g/3.5oz of meat)
| Study |
Conventional
Beef
|
Grassfed
Beef
|
Amount
Increase
|
|---|---|---|---|
| French |
0.37
|
1.08
|
2.92
|
| Duckett |
0.82
|
2.20
|
2.69
|
| Rule |
0.26
|
0.41
|
2.04
|
Courtesy of Jo Robinson "Why Grassfed is Best!" (2000)
To learn more on the importance of Omega Fatty acids in your diet here is a good reference:
Days Fed Grain
% of
Omega-3's
in Total Fat
Omega-3's
in Total Fat
You have health concerns but still like your beef? Field's Grassfed Beef is the answer! Our beef is high in protein, low in fats, calories and cholesterol, and a balanced Omega 3 -Omega 6 ratio!
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