NS 115 - Lecture 12

NS 115 - Lecture 12 - Lecture 12 B Vitamins How can we...

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Lecture 12 – B Vitamins September 26, 2008 How can we maximize this transfer of energy? Levisky’s First Rate Rule of Metabolism o ATP Production Sucks (the whole ATP system is drawn from the body) Can’t increase metabolism, only way is using ATP Vitamin B3 (Niacin) o Has various forms (nicotinamide, nicotinic acid) o Nicotinic acid causes tingly of the face if taken at high doses. Causes flushing of the face o Marjor component of NAD (nicotinamide adenine dinucleotide) o Niacin from tryptophan (AA) = 1 g of niacin o Humans require about 15 mg of niacin/day o Mild deficiency may cause: tiredness, weakness, inability to concentrate, poor memory o Severe definciency causes pellagra (dry skin) Dermatitis Diarrhea (GI tract ceases to function) Dementia (confused thinking) Death (if untreated) o Megadoses of niacin (1000 – 1500 mg/day) Effective in lowering serum triglycerides (fat circulating around your blood) Effective in lowering VLDL Effective in raising HDL
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This note was uploaded on 02/22/2010 for the course NS 1150 taught by Professor Levitsky during the Fall '05 term at Cornell.

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NS 115 - Lecture 12 - Lecture 12 B Vitamins How can we...

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