Fat soluble vitamins (sources, RI, function, deficiency, groups @ risk, toxicity, UL)

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  1. Vitamin A
    • carried with fats in chylomircrons, stored in liver and adipose tissue
    • yellow or orange fruits and vegs, liver, dairy
    • men: 900µg women: 700µg
    • formation and maintenance of skin, hair, and mucous membranes, see in dim light, and tooth growth, cell differentiation
    • birth defects, liver bone and eye damage
    • UL: 3000µg/day preformed
  2. Vitamin D
    • Synthesis in skin, become active in liver and kidney
    • regulates blood calcium
    • eggs, liver, fatty fish, butter, milk, cereal
    • AI:(19-50) 5mcg,(51-70) 10mcg,(71+) 15mcg
    • rickets and osteomalacia
    • hypercalcemia- calcium deposits
    • UL: 50mcg/day
  3. Vitamin E
    • antioxidant: protects cell membranes
    • plant oils, whole grains, nuts and seeds
    • RDA: 15mg/day
    • deficiency is rare: nerve degeneration, hemolytic anemia (premies)
    • UL: 1000mg/day
    • relatively non-toxic, interferes with vitamin K
  4. Vitamin K
    (phylloquinones, menaquinones, menadione)
    • liver, green vegs, milk and eggs (kiwi)
    • blood clotting, bone protein synthesis, carboxlyation reactions
    • warfarin
    • RDA: men(120mcg/day), women(90mcg/day)
    • deficiency: impaired clotting, abnormal bone formation
    • toxicity: low
    • produced by intestinal bacteria
    • newborn vitamin K shot
Card Set:
Fat soluble vitamins (sources, RI, function, deficiency, groups @ risk, toxicity, UL)
2013-04-03 05:40:52

Fat soluble vitamins
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