Omega 6 omega 3 ratio grass fed beef,exercise to burn fat,skin acne causes - Step 3

Author: admin, 11.11.2014
Enig, PhDBefore the industrialization of agriculture, cattle grazed on pasture during all but the harshest weather. Research is proving that the health concerns long associated with eating beef result not from eating beef, but rather from eating corn-fed beef. Some folks don’t seem to understand that a cow grazing grass can only emit carbon that was originally in grass, and that the carbon in grass has to have come from the atmosphere. We can see in the following chart that grass fed cattle provide more than 5 times the CLA than grain fed cattle. For practical purposes, grass-fed and grain-fed beef are the same in terms of omega-3 and omega-6.
Some experts advise that one should consume a minimum of 3% of energy from omega-6 fatty acids and between 0.5% and 1% from omega-3. He showed this slide, based on research by Susan Burkett.This shows the amount of omega-3 and omega-6 in one serving of various foods.


The amounts in grass- and grain-fed beef are small relative to other foods most people eat.
People who have said eat grass-fed beef, such as Michael Pollan, should have been saying eat less chicken. In Africa, the Masai and related tribes set fire to the savannas so that their cattle could eat newly emerging green grass. When I started eating grass-fed instead of grain-fed beef, I noticed no differences, which agrees with this analysis. But an ounce (28g) of soybean oil contains 14,361 mg of n-6 fatty acids, 21.5 times the amount contained in 4 ounces of raw grain-fed ground beef (668 mg n-6)! But one cup (140 g) contains 2,268 mg of n-6.This same source states that grass fed ground beef contains 100 mg of n-3 per 4 ounces (raw). Considering that one 3.75 ounce (106 g) can of Vital Choice’s albacore solid white tuna (yes, tuna!) in extra virgin olive oil contains almost 3 grams (2,926 mg) of n-3 fatty acids it is, at best, an exaggeration to call grass fed beef a “rich” source of n-3 fatty acids.


And beef, not matter how it’s produced, is not a rich source of n- 6 fatty acids, either.I want to emphasize that I’m focusing solely on the nutritional aspect of the beef, not on the issues of confined animal feeding operations, grain production, animal health, etc. Chickens raised on pasture or given special feed will have more omega-3 fatty acids in their skin and egg yolks than chickens fed exclusively grain, but ruminant animals like cattle are designed to produce saturated fats. Grass-fed beef cattle can be fattened by leaving cattle longer in the field, or by supplementing their diets with grain in the final weeks before slaughter.



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