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Water-Soluble Vitamins 2.pptx
This document discusses the water-soluble vitamins, their sources, daily requirements, and deficiency diseases. It provides details on vitamins B1, B2, B6, niacin, pantothenic acid, biotin, folic acid, B12, and vitamin C. For each vitamin, it lists the absorption site, deficiency diseases, daily requirements, and common food sources rich in that vitamin. The document aims to provide an overview of the essential water-soluble vitamins, where they are absorbed in the body, symptoms of deficiency, recommended daily intake, and dietary sources.
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Water-Soluble Vitamins 2.pptx
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- 2. WATER-SOLUBLE VITAMINS, THEIRSOURCES, DAILY REQUIREMENTS AND DEFICIENCY DISEASES B1 Thiamine Absorbed in proximal small intestne Beri-Beri 1.2–1.8 mg/day Cereals, grains and yeast B2 Riboflavin or lactoflavin Proximal small intestine Cracked lips, red lips, inflammation of the lining of mouth and tongue, mouth ulcers, cracks at the corner of mouth (angular cheilosis and sore throat 1–2 mg/ day (0.5–0.6 mg/1000 Kcal Milk, liver and kidney Niacin Niacin Stomach Pellagra 12–20 mg (5.5-6.5 mg/1000 Kcal Rice polish, yeast, liver, poultry and green vegetables B1 Thiamine Absorbed in proximal small Beri-Beri 1.2–1.8 mg/day Cereals, grains
- 3. Contd… B6 Pyridoxine, Pyridoxal, Pyridoxami ne Jejunum and ileum Cheilosis, glossits, hypodermic anemia 1–2 mg Egg, fish, greenleaf, vegetables, and cereals Pantothen ic acid Pantothenic acid Jejunum Headache, fatigue, impaired motor activity, muscle cramps and gastrointesti nal disturbances 5–10 mg Yeast liver, egg, potato, whole cereals legumes. Biotn Proximal small intestne Mild dermatts, nausea, loss of appette, muscular pain and anemia 15–30 µg Rice polish, whole cereals, milk, Yeast, and organ meat such as liver and kidney
- 4. Contd… Folic acid Pteroylgluta mic acid Mainly in jejunum Macrocytc (megaloblas tc) anemia, accompanie dby leukopenia [ In pregnancy may lead to neural tube defects 150–300 µg Green leafy vegetables such as spinach and cabbage, yeast, liver and kidney B12 Extrinsic factors of castle, Cyano cobalamin Stomach Methylmalon ic aciduria 1–3 µg Liver, kidney, egg, fsh, and milk Vitamin C Ascorbic acid Cells Scurvy 40–60 mg day Amla, citrus fruit, green chillies, guava