Vitamins
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Transcript of Vitamins
1. VITAMIN A (Retinol/
Retinoic acid)- Retinol is the
constituent of retinal pigment RHODOPSIN.
1. VITAMIN A (Retinol/
Retinoic acid)- Retinol is the
constituent of retinal pigment RHODOPSIN.
FAT-SOLUBLE VITAMINS
DEFICIENCY:DEFICIENCY:
1. Increased thickness of squamous epithelia
2. Bitot’s spots
3. Xerophthalmia
4. Keratomalacia
5. Follicular hyperkeratosis
1. Increased thickness of squamous epithelia
2. Bitot’s spots
3. Xerophthalmia
4. Keratomalacia
5. Follicular hyperkeratosis
EXCESS:EXCESS:
Rare Cases:
Bleeding
Hepatosplenomegaly
Carotenemia
Rare Cases:
Bleeding
Hepatosplenomegaly
Carotenemia
FAT-SOLUBLE VITAMINSFAT-SOLUBLE VITAMINS
2. VITAMIN D (CHOLECALCIFEROL)-Active component is 1,25-Dihydroxy-cholecalciferol-Causes MINERALIZATION of bone and teeth
2. VITAMIN D (CHOLECALCIFEROL)-Active component is 1,25-Dihydroxy-cholecalciferol-Causes MINERALIZATION of bone and teeth
EXCESS:EXCESS:
HYPERCALCEMIA leading to METASTATIC CALCIFICATION
AND RENAL DAMAGE
HYPERCALCEMIA leading to METASTATIC CALCIFICATION
AND RENAL DAMAGE
FAT-SOLUBLE VITAMINS
3. VITAMIN E (ALPHA-TOCOPHEROL)
ANTIOXIDANT-neutralizes free radicals for cells to live longer
3. VITAMIN E (ALPHA-TOCOPHEROL)
ANTIOXIDANT-neutralizes free radicals for cells to live longer
FAT-SOLUBLE VITAMINS
4. VITAMIN K (PHYLLOQUINONE)
-Required for synthesis of prothrombin and clotting factors
-Anti-hemorrhagic vitamin
4. VITAMIN K (PHYLLOQUINONE)
-Required for synthesis of prothrombin and clotting factors
-Anti-hemorrhagic vitamin
1. Hypoprothrombinemia
2. Excessive bleeding
3. Hemophilia B (Christmas disease)
DEFICIENCY:DEFICIENCY:
WATER-SOLUBLE VITAMINS
1.VITAMIN C (ASCORBIC ACID)
-Required for synthesis of collagen and osteoid
-Vitamin C deficiency is often secondary to hyperparathyroidism
1.VITAMIN C (ASCORBIC ACID)
-Required for synthesis of collagen and osteoid
-Vitamin C deficiency is often secondary to hyperparathyroidism
WATER-SOLUBLE VITAMINS
2. VITAMIN B1 (THIAMINE)
-Coenzyme in decarboxylase systems
- Required for synthesis of acetylcholine
2. VITAMIN B1 (THIAMINE)
-Coenzyme in decarboxylase systems
- Required for synthesis of acetylcholine
WATER-SOLUBLE VITAMINS
3. VITAMIN B2 (RIBOFLAVIN)
-Constituent of FLAVOPROTEINS
3. VITAMIN B2 (RIBOFLAVIN)
-Constituent of FLAVOPROTEINS
WATER-SOLUBLE VITAMINS
5. VITAMIN B6 (PYRIDOXINE)
-Coenzyme for decarboxylase and transaminase systems
1. Glossitis
2. Blepharitis
3. Dermatitis
4. Cheilosis
5. Peripheral neuropathy
6. Sideroblastic
anemia
1. Glossitis
2. Blepharitis
3. Dermatitis
4. Cheilosis
5. Peripheral neuropathy
6. Sideroblastic
anemia
DEFICIENCY:DEFICIENCY: