Food Chemistry 1

4 gday caused by pernicious anemia methylmalonic

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Unformatted text preview: , blueberries, peppers, papaya, strawberries 10 mg/day to prevent scurvy 7590 mg/day recommended; more if you smoke b/c of free radicals in smoke Scurvy = swollen and bleeding gums, loose teeth, red spots on skin from internal bleeding Weakened connective tissue, slowhealing wounds, anemia Metabolize to oxalate GI problems, so cap dosage at 2 g/day OH HO HO O O OH RDA Deficiency Toxic Pantothenic acid Vitamin B5 Function Sources Component of CoA (transfer of acyl groups, most commonly acetyl) Component of fatty acid synthase complex Eggs, liver, yeast, yogurt, salmon, turkey, sunflower seeds, mushrooms 45 mg/day Rare due to abundance in foods Not well characterized Burning feet syndrome HO HN O HO O OH RDA Deficiency Vitamin A Collective term for retinol, retinal, retinoic acid Formed from oxidative cleavage of carotene (in liver) Function Sources Aldehyde: visual cycle/process Alcohol, carboxylic acid: growth, reproduction RDA Liver, kidney, cream, butter, egg yolk (animal sources) Yellow and green veggies: carotene precursors (pumpkin, sweet potato, carrots) 700900 RE RE = retinol equivalent = 1 microg retinol or 12 microg carotene Hyperkeratosis Night blindness Xerophthalmia Levels over 7500 RE H3C CH3 CH3 Beta-carotene CH3 H3C Deficiency Toxicity CH3 CH3 CH3 CH3 CH3 H3C CH3 H3C CH3 CH2OH Retinol (vitamin A) CH3 Vitamin D Group of compounds, steroids with open B rings Most prevalent = D3 D3 activ...
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