B vitamins study guide

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efrain12
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298218
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B vitamins study guide
Updated:
2015-03-12 13:04:00
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Bb-Vitamins
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  1. Thiamin ) Main coenzyme (2)
    Thiamine diphsophate

    Thiamine pyrophosphate
  2. Thiamin ) Biochemical or physiological functions: (2)
    -oxidative decarboxylation of alpha-Keto acids

    -oxidative decarboxylation of 2-keto sugars
  3. Thiamin ) Deficiency syndrome or symptoms,(6)
    -beriberi

    -muscle weakness

    -anorexia

    -tachycardia

    -enlarged heart

    -edema
  4. Thiamin ) 2 food sources (2)
    -sunflower seeds

    -pork
  5. Thiamin ) Some conditions and or individuals at risk for deficiency (3)
    -alcoholism

    -elderly

    -malabsorptive conditions
  6. Riboflavin) Main coenzyme  (2)
    -flavin adenine dinucleotide (FAD)

    -Flavin mononucleotide (FMN)
  7. Riboflavin) Biochemical or physiological function
    -electron transfer reactions
  8. Riboflavin) Deficiency syndrome or symptoms, (5)
    -Ariboflavinosis

    -glossitis

    -hyperemia and edema of pharyngeal and oral mucous membranes

    -angular stomatitis

    -photophobia
  9. Riboflavin) 2 food sources
    -beef liver

    - eggs
  10. Riboflavin) conditions and or individuals at risk for deficiency (3)
    -alcoholism

    -trauma

    -hyper metabolic conditions
  11. Niacin) Main coenzyme (2)
    -nicotinamide adenine dinucleotide (NAD)

    -nicotinamide adenine dinucleotide phosphate  (NADP)
  12. Niacin) Deficiency syndrome or symptoms: (4)
    -Pellagra

    -diarrhea

    -dermatitis

    -mental confusion/dementia
  13. Niacin) Good food sources (2)
    -tuna

    -beef liver
  14. Niacin) Some conditions and/or individuals at risk for deficiency (3)
    -alcoholism

    -malabsorptive conditions

    -hartnup disease
  15. Pantothenic acid) Main coenzyme
    Coenzyme A
  16. Pantothenic acid) Biochemical or physiological functions
    Acyl transfer reactions
  17. Pantothenic acid) deficiency syndrome or symptoms (1+3)
    deficiency very rare

    -numbness and tingling of hands & feet

    -vomiting

    -fatigue
  18. Pantothenic acid) food sources
    Widespread in foods
  19. Pantothenic acid) some conditions and or individuals at risk for deficiency, (2)
    -alcoholism

    -malabsorptive conditions
  20. Biotin) Main coenzyme
    Carboxybiotinyl  lysine
  21. Biotin) biochemical or physiological functions
    CO2 transfer/carboxylation reactions
  22. Biotin) deficiency syndrome & symptoms : (5)
    Very rare

    • -anorexia
    • -nausea
    • -glossitis
    • -depression
    • -dry scaly dermatitis
  23. Biotin) food sources (2)
    liver

    Soybeans
  24. Biotin) some conditions and/or individuals at risk for deficiency (3)
    -excessive raw egg ingestion

    -alcoholism

    -malabsorptive conditions
  25. B6) Main coenzyme
    -Pyridoxal phosphate (PLP)
  26. B6) biochemical or physiological functions (2)
    -transamination and decarboxylation reactions
  27. B6) deficiency syndrome or symptoms (3)
    -dermatitis

    -glossitis

    -convulsions
  28. B6) food sources (2)
    -steak

    -navy beans
  29. B6) some conditions and or individuals at risk for deficiency (3)
    -elderly

    -alcoholism

    -use of certain medications
  30. folate) main coenzyme
    Derivatives of tetrahydrofolic acid

    -
  31. folate) biochemical or physiological function
    One carbon transfer reactions
  32. folate) deficiency syndrome or symptoms : (5)
    -megaloblastic anemia

    -diarrhea

    -fatigue

    -depression

    -confusion
  33. folate) good food sources (2)
    spinach

    Asparagus
  34. folate) some conditions and or individuals at risk for deficiency (3)
    -alcoholism

    -malabsorptive conditions

    -use of certain medications
  35. b12) main coenzyme (2)
    -methylcobalamin

    -adenosylcobalamin
  36. b12) biochemical or physiological functions (2)
    -methylation of homocysteine to methionine

    -conversion of methylmalonyl-CoA to succinyl CoA
  37. b12) deficiency syndrome or symptoms : (2)
    -megaloblastic anemia

    -degeneration of peripheral nerves
  38. b12) food sources (2)
    -meat

    -fish
  39. b12) some conditions and or individuals at risk for deficiency (4)
    -elderly

    -strict vegetarians

    -pernicious anemia

    -some disorders affecting stomach and ileum

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