General fitness, health and nutrition · Public discussion

amino acid balance

Started by John Sankey · · Last activity · 1 post · 286 views

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General fitness, health and nutrition
Published
11 February 2005
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11 February 2005
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John Sankey
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  1. Original post
    John Sankey
    Archived post
    #1

    I'm looking at how to get enough and a proper balance of amino acids
    from a diet. The following are the FAO/WHO/UNO Requirements
    (mg/kgbodywt/day):

    Isoleucine 10
    Leucine 14
    Lysine 12
    Methionine + Cysteine 13
    Phenylalanine + Tyrosine 14
    Theronine 7
    Tryptophan 3.5
    Valine 10

    But, when I put numbers on foods (from the USDA site), I get that a
    typical 2000 calorie/day diet would supply some five times these
    RDA's. Also, everyone says that vegetarians have the most problems
    getting lysine, but using these RDA's it is methionine+cysteine that
    is low on average for vegetables, not lysine.

    Comments? Does anyone know of a site that discusses these RDA's in
    detail with this sort of thing in mind?

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