NTDT401 Lecture Notes - Lecture 1: Cytosol, Thiamine, Alpha-Ketoglutaric Acid
20 Dec 2016
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Forms of vitamins similar structure of same vitamins- vitamer in ready form- preform, precursor (pro-vitamins) *majority of vitamin a in american diet is in pro vitamin (precursor) form; can be less toxic and need a lot more betacarotene is a precursor of vitamin a. 1997 revision of dri ca, p and vitamin d. *recommendations usually higher than requirements goal prevent nutrient deficiencies & reduce risk of chronic disease. Ear set rda, meets needs of half individuals. Ai is a guess, not based on knowledge of requirements. Rda is set two standard deviations above the mean. Safe range of intake is between rda and noael. *good to meet the recommendation at 80% or more. If one take vitamin c less than 40% of rda for 2 days, he definitely will develop vitamin c deficiency no. Glucose pyruvate (2) acetyl coa citric acid oxaloacetate.
