05+Glance+at+Nutrients - Module 5 Nutrition A Glance at...

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Module 5 Nutrition: A Glance at Nutrients Delores C.S. James, PhD, RD, LD/N, FASHA, FWMPDG-ADA Associate Professor of Health Education and Behavior
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By the end of the module you will be able to: Describe the major nutrients necessary for good health
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Nutritional Guidelines The Dietary Reference Intakes (DRIs) are a comprehensive set of nutrient reference values for healthy populations that can be used for assessing and planning diets. They are established by Canadian and American scientists through a review process overseen by the U.S. National Academies, which is an independent, nongovernmental body. DRIs encompass 4 kinds of recommendations
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Nutritional Guidelines 1. Estimated Average Requirements ( EAR ), expected to satisfy the needs of 50% of the people in that age group based on a review of the scientific literature. Used primarily in nutrition research and as a basis on which the recommended
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Nutritional Guidelines 2. Recommended Dietary Allowances ( RDA ), the average daily amount of any one nutrient that an individual needs to protect against nutritional deficiency. The amount of a nutrient considered sufficient to meet the requirements of 97–98% of healthy individuals in each life-stage and gender group. Calculated based on the EAR and is usually 20% higher than the EAR. RDA is
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Nutritional Guidelines 3. Adequate Intake ( AI ), provided if there is not enough information about a nutrient to set an RDA. The amount established is somewhat less firmly believed to be adequate for everyone in the demographic group. 4. Tolerable upper intake levels ( UL ), to caution against excessive intake of nutrients (like vitamin A) that can be harmful in large
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Nutritional Guidelines Whereas the DRIs are recommended intake levels for individual nutrients, the Dietary Guidelines for Americans is designed to promote health and reduce the risk of chronic diseases. MYPyramid translates the DRIs into healthy food choices. The Daily Values (DV) are used on food labels and indicate how a particular food contributes to the recommended daily intake of major nutrients in a 2,000-calorie diet.
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Checking Out Calories When you eat food, your body uses the food as fuel, burning it to produce energy, or calories. Whether your body is doing things you don't even think about, like pumping blood or blinking, or doing things you plan, like playing basketball or running, you always need
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Checking Out Calories 1 gram of fat has 9 calories 1 gram of carbohydrates has 4 calories 1 gram of protein has 4 calories 1 gram of alcohol has 7 calories
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Major Nutrients
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Major Nutrients The body uses six kinds of nutrients. Water Protein Carbohydrates Fats Vitamins
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Water It might not seem like it, but your body needs water more than any other nutrient.
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