Nutrition Flashcards
(13 cards)
Vitamin A
Retinol
- Formation of visual pigments
- Maintenance of epithelial structures
- Appropriate fetal dev.
Deficiency: Hemeralopia, skin lesions, xerophthalmia, birth defects
Vitamin B1
Thiamine Pyrophosphate
- Pyruvate
- Oxoglutarate
- Branched chain keto acid dehydrogenases
Deficiency: Beriberi
Vitamin B2
Riboflavin
- FMN
- FAD
Deficiency: Glossitis, stomatitis, fissured lips, skin rashes
Vitamin B3
Niacin
- NAD
- NADP
Deficiency: Pellagra (Dermatitis, Digestive disturbances, Dementia, Death)
Vitamin B5
Panthotenic Acid
- Coenzyme A
- Skin & hair health
Deficiency: Neuromotor disorders, “burning feet syndrome”
Vitamin B6
Pyridoxine
- Coenzyme for AA and FFA metabolism
Deficiency: Dermatitis, nervous disorders
Vitamin B7
Biotin
- Cofactor in carboxylase enzymes
- Protein and FFA synthesis
Deficiency: Dermatitis, muscle numbness
Vitamin B9
Folic Acid
- Nucleoprotein synthesis
- RBC prod.
- Fetus protecting vit.
Deficiency: Megaloblastic anemia, peripheral neuropathy, neural tube defects in fetus
Vitamin B12
Cobalamin
- C1-transfer
- Nucleoprotein synthesis
- RBC prod.
Deficiency: Neuropathy, megaloblastic anemia
Vitamin C
Ascorbic Acid
- Vital element for collagen synth.
- Antioxidant
Deficiency: Scurvy, infectious diseases of the respiratory tract, failure to form connective tissue
Vitamin D
Calciferol
- Enhancement of calcium and phosphate gut absorption
- Bone and tooth formation
Deficiency: Rickets in children (defective bone formation), osteomalacia in adults
Vitamin E
Tocopherol
- Maintenance of RBCs
- Antioxidant
Deficiency: Increased fragility of RBCs, muscular dystrophy, abortion
Vitamin K
Naphtoquinone
- Vitamin K-dependent clotting factors synth.
- Osteocalcin
Deficiency: Bleeding due to failure of coagulation
