Re: A Deficiency of D?

Discussion in 'Food and nutrition' started by John Sankey, Apr 10, 2005.

  1. John Sankey

    John Sankey Guest

    Thanks to Juhana, I've now been able to compare four sources:
    1. United States Department of Agriculture Food Composition Database
    release 17;
    2. a Special Interest Group on vitamin D that reported to the USDA in
    1992;
    3. National Public Health Institute Nutrition Unit Fineli Food
    Composition Database release 4 (Finland); and
    4. Danish Institute for Food and Veterinary Research Food Composition
    Databank

    The USDA obviously feels it has problems with vitamin D, and has
    deleted many of the vitamin D values of the SIG. It's true that
    factors of 3 differences between the various sources are common.
    However, it means that FINELI and DIFVR are each much more complete
    sources for D than the USDA is. So, I'll be sorting out the best
    agreed values for the foods I eat over the next while and use them
    until something better appears.

    Then it'll be on to iodine ...
     
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