Nutrition_Recommendations09

Nutrition_Recommendations09 - HNF150 Prof. Alaimo SPRING...

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HNF150      SPRING 2009 Prof. Alaimo Lecture Notes NUTRITION RECOMMENDATIONS Obesity and Diabetes Trends: (more calories available) Why? larger portion sizes, processed food (lower nutrient density / more  claories), technology advancement, fast paced lifestyle, inactive, fast food  (cheaper), stress, less sleep, etc. Nutrition Recommendations Overview: 1. Dietary Reference Intakes (Food and Nutrition Board, National  Academy of Sciences) 2. Food Labels (FDA) 3. Dietary Guidelines for Americans (USDA/HHS) 4. mypyramid.gov (USDA/HHS) 5. Other Food Pyramids (Harvard, U of M) 1.  Dietary Reference Intakes A. Set by the Food and Nutrition Board, National Academy of Sciences,  Washington DC Nutrition and Food Scientists Classic reference work for nutrition, dietetic, and allied health  professions B. Most recent DRI’s: 1997-2003 C. Goals of DRI's (4): 1
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HNF150      SPRING 2009 Prof. Alaimo Lecture Notes 1. Setting recommended intake values (Recommended Dietary  Allowances [RDA] and Adequate Intake [AI]) Requirements [EAR]) 3. Establishing safety guidelines (upper intake levels) 4. Preventing chronic disease D. Recommended Dietary Allowances (RDA): Nutrient intake goals for  individuals E. Adequate Intakes (AI): Set when scientific data are insufficient to  establish RDA F. Estimated Average Requirements (EAR): Population-wide average  nutrient requirements… G. Upper Intake Levels (UL): H. How does the DRI committee establish DRI values?  By finding out how much of a nutrient a healthy individual needs… Review scientific studies of deficiencies, how much your body stores  of the nutrient, what can cause depletion of the nutrient, and what  other factors influence these factors Balance studies Test different levels of intake of the nutrient Measure excretion of the nutrient (urine, sweat, feces) Find out how much intake = excretion 2
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HNF150      SPRING 2009
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This note was uploaded on 02/24/2009 for the course HNF 150 taught by Professor Thurston during the Spring '07 term at Michigan State University.

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Nutrition_Recommendations09 - HNF150 Prof. Alaimo SPRING...

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