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Mosby items and derived items © 2006 by Mosby, Inc. Slide 1 Chapter 7 Vitamins
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 2 Chapter 7 Lesson 7.1
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 3 Key Concept Vitamins are noncaloric essential nutrients that are necessary in very small amounts for specific metabolic control and disease prevention.
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 4 Vitamins Dietary reference intakes (DRI) Nature of vitamins Discovery Early observations Early animal experiments Era of vitamin discovery Definition Classes of vitamins (Cont'd…)
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 5 Vitamins (…Cont’d) Functions of vitamins Metabolic control agent: coenzyme partner Tissue structure Prevention of deficiency diseases Vitamin metabolism Fat-soluble vitamins Water-soluble vitamins
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 6 Chapter 7 Lesson 7.2
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 7 Key Concepts Certain health problems are related to inadequate or excessive vitamin intake. Vitamins occur in a wide variety of foods that are packaged with the energy- and tissue- building macronutrients (e.g., carbohydrate, fat, and protein) on which vitamins work as specific catalysts to regulate body metabolism.
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 8 Fat-Soluble Vitamins Vitamin A (Retinol) Functions Vision Tissue strength and immunity Growth Requirements Food forms and units of measure Body storage Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 9 Vitamin D (Cholecalciferol) Functions Absorption of calcium and phosphorus Bone mineralization Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 10 Vitamin E (Tocopherol) Functions Antioxidant function Relation to selenium metabolism Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 11 Vitamin K Functions Blood clotting Bone development Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 12 Chapter 7 Lesson 7.3
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 13 Key Concepts Certain health problems are related to inadequate or excessive vitamin intake. Vitamins occur in a wide variety of foods that are packaged with the energy- and tissue- building macronutrients (e.g., carbohydrate, fat, and protein) on which vitamins work as specific catalysts to regulate body metabolism.
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 14 Water-Soluble Vitamins Vitamin C (Ascorbic Acid) Functions Connective tissue General body metabolism Antioxidant function Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 15 Thiamin (Vitamin B 1 ) Functions Gastrointestinal system Nervous system Cardiovascular system Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 16 Riboflavin (Vitamin B 2 ) Functions Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 17 Niacin (Vitamin B 3 ) Functions Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 18 Vitamin B 6 Functions Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 19 Folate Functions Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 20 Cobalamin (Vitamin B 12 ) Functions Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 21 Pantothenic Acid Functions Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 22 Biotin Functions Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 23 Choline Functions Requirements Deficiency disease Toxicity symptoms Food sources Stability
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 24 Chapter 7 Lesson 7.4
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 25 Key Concept Vitamin supplementation needs are individual and specific.
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 26 Phytochemicals Function Recommended intake Food sources
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 27 Vitamin Supplementation Ongoing debate Biochemical individuality Life cycle needs Pregnancy and lactation Infancy Children and adolescents Aging (Cont'd…)
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 28 Vitamin Supplementation (…Cont’d) Lifestyle Oral contraceptive use Restricted diets Exercise programs Smoking Alcohol Caffeine Disease (Cont'd…)
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Mosby items and derived items © 2006 by Mosby, Inc. Slide 29 Vitamin Supplementation (…Cont’d) Megadoses Toxic effects “Artificially induced” deficiencies Supplementation principles
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