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Unformatted text preview: Nutri Sci 14:56 GUEST LECTURE Fetal alcohol syndrom Ethanol • Two carbons(two carbons mean that they are treated metabolical like fat), one OH (digestive part and gives energy and effects the brain) there are also five hydrogens • Liver and body metabolises the alcohol • ADH & ALDH enzymes that help breakdown alcohol • Ethanol to acetaldehyde (very toxic to the body) • ADH dimorphs DNA, protein, increase cancer, adds free radicals, flushing (redness) • Oxidizes farther to acetic acid (vinegar) • Active ingredient in alcoholic beverage: o Ethanol o Metabolic products Acetaldehyde-causes oxidative damage, flushing Acetate-is converted to fat and stored (it is either completely burned for energy or it is stored as fat) alcoholic=50% percent o Congeners (other substances in the beverage) Beer- hops (gives headaches), malt (sugar), asbestos (from manufacturing), yeast (can get b vitamins), cobalt Wine- resveratrol (antioxidant) Hard liquor- contaminants, asbestos (FDA doesn’t have anything to do with alcohol, the manufacture regulates it) • absorption o highly efficient o in stomach and small intestine males metabolize ~25% of drink in digestive tract, so it never reaches the bloodstream!...
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- Fall '08
- Fetal alcohol syndrom, alcohol syndrom Ethanol