VitaminsVitaminsVitaminsVitamins

1.1. Water-soluble VitaminsWater-soluble Vitamins

2.2. Fat-soluble VitaminsFat-soluble Vitamins

VitaminsVitamins

1.1. Water-soluble VitaminsWater-soluble VitaminsVitamin BVitamin B11 (Thiamin) (Thiamin)

Vitamin BVitamin B22 (Riboflavin) (Riboflavin)

Vitamin BVitamin B3 3 (Niacin)(Niacin)

Vitamin BVitamin B5 5 (Panthotenic acid)(Panthotenic acid)

Vitamin BVitamin B6 6 (Pyridoxine)(Pyridoxine)

Vitamin H (Biotin)Vitamin H (Biotin)

Vitamin BVitamin B99 (Folic acid) (Folic acid)

Vitamin BVitamin B12 12 (Cobalamin)(Cobalamin)

Vitamin C (Ascorbic acid)Vitamin C (Ascorbic acid)

Water-Soluble Vitamins

Water-soluble vitamins are:Soluble in aqueous solutions.Used as cofactors by many enzymes.Not stored in the body.

2. Fat-soluble Vitamins2. Fat-soluble Vitamins

Vitamin A (Retinol)Vitamin A (Retinol)Vitamin DVitamin D Vitamin E (Tocopherol)Vitamin E (Tocopherol)Vitamin KVitamin KLipoic acid (Thioctic acid)Lipoic acid (Thioctic acid)

Fat-Soluble VitaminsFat-soluble vitamins:

Are A, D, E, and K. Soluble in lipids, but not in aqueous solutions.Important in vision, bone formation, antioxidants, and blood clotting.Stored in the body.

Fat-soluble VitaminsFat-soluble Vitamins

VitaminVitamin AA

Vitamin AVitamin A

VitaminVitamin DD

Vitamin EVitamin E

Vitamin KVitamin K

Lipoic acid Lipoic acid (Thioctic acid)(Thioctic acid)

Water-soluble VitaminsWater-soluble Vitamins

Vitamine BVitamine B11 (Thiamin)

TPP is necessary as a cofactor for:Pyruvate dehydrogenase-ketoglutarate dehydrogenaseTransketolase catalyzed reactions of PPP. A deficiency in thiamin intake leads to a

severely reduced capacity of cells to generate energy as a result of its role in these reactions.

Clinical Significances of Thiamin Deficiency Clinical Significances of Thiamin Deficiency

Beriberi, is the result of a diet that is carbohydrate rich and thiamin deficient.

Wernicke-Korsakoff syndrome. This disease is most commonly found in chronic alcoholics due to their poor dietetic lifestyles.

Vitamine BVitamine B22

Vitamine BVitamine B22

Vitamine BVitamine B22

Vitamine BVitamine B33

Vitamine BVitamine B33

Vitamin BVitamin B55

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Vitamine BVitamine B55

Vitamine BVitamine B55

Vitamine BVitamine B66

TransaminationTransamination

DeaminetionDeaminetion

Decarboxylation(Decarboxylation(αα-amino acids)-amino acids)

Glycogenolysis(glycogen phosphorylase)Glycogenolysis(glycogen phosphorylase)

NAD+(Trp pathway)NAD+(Trp pathway)

Vitamine BVitamine B66

Vitamine HVitamine H (Biotin)

Vitamine BVitamine B1212

Folic acidFolic acid

Folic acidFolic acid

Vitamine CVitamine C

Collagen biocynthesisCollagen biocynthesis

Tyr catabolismTyr catabolism

Epinephrine biosynthesisEpinephrine biosynthesis

Bile salts biosynthesisBile salts biosynthesis

Biosynthesis of stroid hormonesBiosynthesis of stroid hormones

Iron absorptionIron absorption

As an antioxidantAs an antioxidant

Vitamine CVitamine C