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Structurally, omega-3 fatty acids are helically twisted, because every dietician cis- double bond, separated by a methylene group, changes the carbon chain's direction. This configuration may explain a host of biological phenomena observed in structures that are rich in polyunsaturated fatty acids, especially the lipid bilayer of the cell membrane. [edit] Daily Values As fats are macronutrients they are not assigned RDAs. Macronutriens have AI (Aceptable Intake) and AMDR (Acceptable Macronutrient Distribution Range) instead of RDAs. The AI for n-3 is 1.6 grams/day for men and 1.2 grams/day for women [1] while the dietician AMDR dietician is 0.6% to 1.2% of total energy [2]. "A growing body of literature suggests that higher intakes of α-linolenic acid, eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA) may afford some degree of protection against CHD. Because the physiological potency of EPA and DHA is much greater than that for α-linolenic acid, it is not possible to estimate one AMDR for all n-3 fatty acids.
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