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Vitamins

  1. Why is it important to eat vitamins?
    • Needed for normal metabolism
    • They are not made by the body
  2. Vitamin C: Function
    • Antioxidant
    • Helps make collagen
    • Absorbs iron
  3. Vitamin C: Mechanism
    Co-enzyme in hydroxylation of lysine and proline
  4. Vitamin C: Deficiency
    • Scurvy - defective connective tissue
    • - gums
    • - teeth
    • - bones
    • - vessels -> hemorrhages -> potechia
  5. Thiamine (B1): Function
    Metabolism of carbohydrates and amino acids
  6. Thiamine (B1): Mechanism
    Co-carboxylase in carboxylation of pyruvate
  7. Thiamine (B1): Deficiency
    • Beri-Beri - usage of carbs
    • CNS
    • - chromatolysis
    • PNS
    • - degenerate myelin
    • - polyneuritis
    • CS
    • - tachycardia
    • - heart failure
    • GI
    • - atony
    • - constipation
    • Wernick-Korsakoff
  8. Riboflavin (B2): Function
    Hydrogen carrier in mitochondria
  9. Riboflavin (B2): Mechanism
    NAD passes H to FMN and FAD
  10. Riboflavin (B2): Deficiency
    • Dermatitis
    • Stomatitis
    • Conjunctivitis
    • Protection from malaria
  11. Niacin: Function
    Skin / Epithelal repair
  12. Niacin: Mechanism
    Precursor for NAD / NADP
  13. Niacin: Deficiency
    • Pellagria
    • - diarrhea
    • - death
    • -dementia
    • ^Fat usage
  14. Pentothenate: Function
    Carbohydrates and fat metabolism
  15. Pentothenate: Mechanism
    Its incorporated in CoA
  16. Pentothenate: Deficiency
    • Lowers metabolism of fats and carbohydrates
    • RARE
  17. Pyrodoxine (B6): Function
    Amino acid metabolism
  18. Pyrodoxine (B6): Mechanism
    Co-enzyme for aminotransferases
  19. Pyrodoxine (B6): Deficiency
    • RARE
    • Neuropathy
  20. Biotin (B7): Function
    Amino acids and fat metabolism
  21. Biotin (B7): Mechanism
    Co-enzyme in ACoA carboxylase
  22. Biotin (B7): Deficiency
    • Combined with raw eggs
    • Containing avidin
  23. Folic Acid: Function
    Synthesis of purine and thymine
  24. Folic Acid: Mechanism
    1-carbon carrier
  25. Folic Acid: Deficiency
    • Macrocytic anemia
    • Spina bifida
  26. Cobalmin (B12): Function
    Growth and RBC maturation
  27. Cobalmin (B12): Mechanism
    • Hydrogen acceptor
    • 1-carbon carrier
    • Cofactor for homocystine methionine
  28. Cobalmin (B12): Deficiency
    • Folate acid deficiency
    • Pernicious anemia
    • Spinal degeneration
  29. Vitamin A: Function
    Seeing
  30. Vitamin A: Mechanism
    Light-sensitive pigment
  31. Vitamin A: Deficiency
    • Night blindness
    • Spermatogenesis
  32. Vitamin A: Toxicity
    Teratagenic
  33. Vitamin D: Function
    Calcium absoption
  34. Vitamin D: Deficiency
    • Rickets
    • Osteomalacia
  35. Vitamin D: Toxicity
    • Vasoconstriction
    • Calcification tissues
  36. Vitamin E: Function
    Antioxidant
  37. Vitamin E: Mechanism
    Prevents oxidation from P.U.F.A
  38. Vitamin E: Deficiency
    • Lessens fat absorption
    • Raises RBC fragility in animals
  39. Vitamin K: Function
    Blood clotting
  40. Vitamin K: Mechanism
    carboxylation of glutamate
  41. Vitamin K: Deficiency
    • Raises PT
    • Osteoporosis
Author
Bobopudge
ID
59798
Card Set
Vitamins
Description
fungaa
Updated

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