Vitamins Flashcards
Precursor of Vitamin A
Retinol
Most effective provitamin
B- Carotene
visual pigment
Rhodopsin
Earliest manifestation of Vit A deficiency
Ncytalopia
> 100,000 U/day of Vit A causes:
Pseudomotor cerebri
Cranial nerve palsy
Storage form of Vit D
25-OH cholecaciferol
Active form of Vit D
1,25 OH2 D3
Anti Oxidant Vitamins
A
C
E
Responsible for glutathiion reductase synthesis
Vitamin E
Cofactor for the y-carboxilation of glutamic acid residues on various proteins required for blood clotting
Vitamin K
found ind green leafy vegetables (form of Vit K)
phytomenadione
Clotting factors in Vitamin K
II
VII
IX
X
Vitamin K from bacterial synthesis
menaguinone
Polished rice
Ber1Ber1
Wernicke-Korsakoff
Vitamin B1
Vitamin B2 deficiency causes
Cheilosis
Common in Corn eaters which is associated with pellagra
Vitamin B3 (NIACIN)
Symptoms of Pellagre
B3-3D
Diarhea
Dementia
Dermatitis
Cofactor in Transamination
Pyridoxine B6
Responsible for GABA synthesis
pyridoxine
Deficiency of Pyridoxine causes
Peripheral neuropathy
responsible for the synthesis of these substances:
Cholesterol
Steroid hormones
Porphoryns
Coenzyme A
Avidin
Biotin (B7)
Converted to Tetrahydrofolic Acid (THF) which is responsible for RBC production
folate (B9)
Cofactor for methionine Synthase
Cobalamin (Vit B12)
