Vitamins Flashcards
Learn about the basic functioning of Vitamins
Forms of Vitamin A
Retinol, Beta Carotene
What is main form of Vitamin D
Calciferol
What are forms of Vitamin E?
Tocopherols, Tocotrienols
Forms of Vitamin K
Phylloquinones and Menaquinones
Forms of Vitamin B
B1-Thiamin. B2-Riboflavin and Niacin, B6-Pyridoxine, Pyridoxal, Pyridoxine. FOLIC ACID. B12-Cobalamin, Pantothenic acid.
What are the main forms of Vitamin H and C respectively?
Biotin and Ascorbic acid.
Functions of Vitamin A
- Visual pigments in retina, Control of gene expression
- control of cell differentiation
- antioxidant
Deficiency of Vitamin A can lead to
-Night blindness, Xerophthalmia, Keratinization of skin
Deficiency of Vitamin A can lead to
-Night blindness, Xerophthalmia, Keratinization of skin
Function of Calciferol
- Enhances intestinal absorption of Calcium ions.
- Maintains Calcium balance
- Mobilizing of bone mineral
Deficiency of calciferol causes
Rickets-poor mineralization
Osteomalacia-demineralization
What is the function of Vitamin E?
Antioxidant especially in cell membrane.
What does Vitamin E deficiency cause?
Very rare, extreme neurological disease
Function of Vitamin K
Coenzyme in formation of Gamma carboxyglutamate which makes up enzymes of clotting and bone matrix
Deficiency of Vitamin K causes.
Impaired clotting, Haemophilia, Hemorrhagic disease
Function of Thiamin (B1)
Coenzyme in pyruvate and alpha ketoglutarate dehydrogenases, transketolases. Unknown function in nerve conduction.
Deficiency of Thiamin causes
Peripheral nerve damage (beriberi), CNS lesions(Werniche-Korsakoff syndrome)
Functions of Riboflavin
Coenzyme in reduction and Oxidation reactions.
Prosthetic group of flavoproteins
Deficiency of Riboflavin leads to
Seborrhoeic dermatitis, lesions of mouth, lips and tongue
What is the function of Niacin in the body?
Co enzyme in redox reactions functional part of NADP and NAD
Niacin deficiency causes
Pellagra, photosensitive dermatitis, depressive psychosis
Vitamin B6 functions are
Co enzyme in transamination and decarboxylation of amino acids glycogen phosphorylase.
Vitamin B deficiency causes
Disorders of amino acid metabolism
Folic acid functions in the body is to?
Coenzyme in transfer of one carbon fragments