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5 Cards in this Set
- Front
- Back
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water soluble vitamins
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-absorbed in the vascular system
-circulates freely in blood -excess excreted in urine -generally not toxic (exception of Vitamin B6 and Niacin) |
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B Vitamins
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Thiamin
Riboflavin Niacin Biotin Vitamin B6 Folic Acid Vitamin B12 |
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Thiamin
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Function: co enzyme (energy metabolism)
Food sources: -Pork (best source) -Whole /enriched grains -Legumes -Sunflower seeds Deficiency: -Beriber Wet (cardiovascular) Dry (nerve) Wernicke-Korsakoff Syndrome (alcoholics) |
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Riboflavin
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Function: coenzyme (energy metabolism)
Synthesis of other compounds (neurotransmitters, vitamins) Food sources:Milk/milk products Liver, Mollusks, Eggs, Meats, Mushrooms, grains Deficiency: Inflammation of the mouth/tongue, skin, eyes, GI tract |
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Niacin
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Function: coenzyme (energy metabolism) able to convert tryptophan to niacin (food sources of niacin include high protein foods)
Food sources: protein rich foods, whole enriched grains, vegetables, peanuts Deficiency: Pellagra -dermatitis -diarrhea -dementia -death Toxicity Supplementation -pharmacological doses- used as treatment for decreasing blood cholesterol |
