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Harrison's Principles of Internal Medicine, 18e
Chapter 73. Nutrient Requirements and Dietary Assessment
Sections: Nutrient Requirements and Dietary Assessment: Introduction, Essential Nutrient Requirements, Dietary Reference Intakes and Recommended Dietary Allowances, Factors Altering Nutrient Needs, Dietary Assessment, Nutritional Status Assessment, Global Considerations, Further Readings.
Topics Discussed: nutrition status and nutrition requirements assessment; nutritional requirements; nutritional status assessment.
Excerpt:"Nutrients are substances that are not synthesized in sufficient amounts in the body and therefore must be supplied by the diet. Nutrient requirements for groups of healthy persons have been determined experimentally. For good health, we require energy-providing nutrients (protein, fat, and carbohydrate), vitamins, minerals, and water. Human requirements for organic nutrients include 9 essential amino acids, several fatty acids, glucose, 4 fat-soluble vitamins, 10 water-soluble vitamins, dietary fiber, and choline. Several inorganic substances, including 4 minerals, 7 trace minerals, 3 electrolytes, and the ultra trace elements, must also be supplied by diet...."
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