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| international food information council foundation, membrane, fat girls com , n 9, 2003, plump hardcore , plump tits , sore, hempseed, anemia, eicosanoids, plump asian , | The same enzymes that produce the omega-6 products from linoleic acid also operate to produce the omega-3 products polyunsaturatedfatty acids from alpha-linolenic acid. The competition for these enzymes by omega-6 and omega-3 fatty acids is unequal, however. Alpha-linolenic acid at 0.5% of calories can suppress arachidonic acid production to the same degree as linoleic acid at 7% of calories can suppress DHA production. Nonetheless, a 14-to-1 ratio of omega-6 to omega-3 is not necessarily optimal. A 4-to-1 ratio has been cited as optimal in polyunsaturatedfatty acids a brain function experiment [*56], polyunsaturatedfatty acids whereas another experiment showed 2-to-1 is the best ratio for immune function [*23]. A 5-to-1 ratio has been recommended on the basis of the ratio of omega-6 to omega-3 in human milk. But 5-to-1 is probably just a reflection of the dietary intake of contemporary mothers. |
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| This question still results eicosanoids in considerable controversy among nutritionists. Deficiency disease results from diets where linoleic acid is less than 1% of total calories. Governmental agencies eicosanoids of various nations (including the World Health Organization) recommend an omega-6 intake of 1-3% of total calories, increased to 3-6% during pregnancy and lactation. Since deficiency disease symptoms have not been unquestionably demonstrated for the omega-3 fatty acids (DHA, EPA and alpha-linolenic acid) there is controversy about how much to recommend or whether to recommend omega-3 supplementation eicosanoids at all [*85]. Ironically, the avidity with which enzymes preferentially utilize omega-3 fatty acids could misleadingly make it appear that omega-6 is more essential. When stated, omega-3 recommendations are often given in relation to omega-6 intake, due to the enzyme competition between the two fatty acid families. |
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