Lecture1w - Nutrition is The science of food, diet and...

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• The science of food, diet and digestion. Focus is on nutrients (their function, interaction and balance in relation to health and disease) and on the processes by which food and nutrients are ingested, absorbed, transported, utilized and excreted. N utrition is
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The Six Classes of Nutrients • Carbohydrates • Fats • Proteins • Vitamins • Minerals • Water
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What is a “calorie”? A measurement of energy • “the amount of heat it takes to raise the temperature of 1 gram of water by 1 degree Celsius”
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Standards Under the DRI • Estimated Average Requirements (EARs) • Recommended Dietary Allowances (RDAs) • Adequate Intake (AI) • Tolerable Upper Intake Levels (ULs)
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EAR: Estimated Average Requirement (50% level) -Must have a measurable biochemical/physiological marker as agreed upon by the Food and Nutrition Board. -Established for different age groups, gender, physiological status.
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Lecture1w - Nutrition is The science of food, diet and...

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