Water Soluble Vitamins

Question 1

B1

Thiamine

Answer 1

Biochem function: glycolysis, TCA cycle (tpp), aldehyde transfer (coenzyme)
Reaction: decarboxylation
Deficiency: wet beri beri= cardiovascular, dry beri beri= PNS , wernicke-korsakoff syndrome

Question 2

B2

Riboflavin

Answer 2

Biochem function: TCA cycle, ETS(FMN,FAD), coenzyme, fat metabolism
Reaction: redox, dehydrogenase enzyme
Deficiency: magenta tongue, cheilosis

Question 3

B3

Niacin

Answer 3

Biochem function: glycolysis, TCA(NAD), ETS
Reaction: redox, dehydrogenase enzyme
Deficiency: pellagra, dementia,diarrhea, dermatitis, death

Question 4

B5

Answer 4

Reaction: structural component of coenzyme a
Deficiency: burning foot syndrome
Heat liable

Question 5

B6

Pyridoxine

Answer 5

Biochem function: protein metabolism

Reaction: transanimations,

Question 6

B7

Biotin

Answer 6

Reaction: carboxylation

Biochem function: glycolysis, fat synthesis and metabolism

Question 7

B9

Folic acid, folate

Answer 7

Biochem function:Nuclei acid synthesis

Deficiency: megalobastic anemia, glossitis, spina bifida

Question 8

B12

Cobalamin

Answer 8

Folate metabolism, contains cobalt, hydrogen shifts
Reaction: homocysteine remethylation
Deficiency: pernicious anemia from decreased intrinsic factor, PLS

Question 9

Vitamin C

Ascorbic acid

Answer 9

Biochem function: hydroxylation of proline and lysine in collagen
Deficiency: scurvy