BC Lec - Vitamins

Thiamine B1

in coenzyme for decarboxylation

Riboflavin B2

In coenzyme flavin mononucleotide (FMN) and FAD

Niacin (nicotinic acid and nicotinamide, B3)

in coenzyme NAD+

B6 (pyridoxine)

amino acid and lipid metabolism

folic acid

amino acid and nucleic acid metabolism

B12 (cobalamin)

nucleic acid metabolism

biotin

carboxylation reactions

pantothenic acid b5

Coenzyme A

C (ascorbic acid)

coenzyme delivers hydride ions antioxidant

c

epithelial and mucosal deterioration causing scurvy

Pantothenic Acid (B5)

retarded growth central nervous system disturbances

biotin

fatigue muscular pin nausea dermatitis

b12 cobalamin

pernicious anemia

folic acid

retarded growth anemia convulsions epithelial changes

niacin

nervous system gastrointestinal skin mucuous membrane deterioration causes pellegra

riboflavin

skin and mucuous membrane deterioration

thiamine

muscle weakness and cardiovascular problems including heart diseases causes beriberi

A

Essential for night vision, healthy eyes, and normal development of epithelial tissue; antioxidant

D

Required for normal bone growth, calcium and phosphorus absorption at gut, and retention in kidneys

E

Prevents breakdown ofvitamin Al and fatty acids; antioxidant

K

Essential for liver synthesis of prothrombin and other clotting factors

A

Retarded growth, night blindness, deterioration of epithelial membranes

D

Rickets, Skeletal deterioration

E

Anemia, other problems suspected

K

Bleeding Disorders

A

Liver damage, skin peeling
central nervous system effects
(nausea, anorexia)

D

Calcium deposits in many tissues, disrupting functions

K

Liver dysfunction, jaundice

Thiamine (b1)

low bp

Riboflavin (B2)

itching tingling sensations

Niacin

itching burning sensations blood vessel dilation death after large dose

pyridoxine

central nervous system alterations perhaps fatal

folic acid

Centra nervoys system alterations perhaps fatal

Cobalamin

excess red clood cells

C

kidney stones