chapter 2 - CHAPTER 2 HOW MUCH SHOULD WE EAT AND OF WHAT...

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Unformatted text preview: CHAPTER 2 HOW MUCH SHOULD WE EAT AND OF WHAT SHOULD WE EAT? Let’s Do Some Calculations! 1. If I eat a slice of pizza that has 30 grams of fat, 10 grams of protein, and 40 grams of carbs. How many total calories in the slice? What percentage of calories are from fat? Is it above or below the daily value for fat? 2. If my total calorie needs for the day are 2300 and I eat a bowl of ice cream that provides me with 25% of my daily intake of total fat calories. How many calories from fat were in the bowl of ice cream that I ate? Nutrient Recommendations • Standards in the U.S. and Canada are the Dietary Reference Intakes ( DRI ) – A set of four lists of values for measuring the intakes of healthy people • Estimated Average Requirements (EAR) • Recommended Dietary Allowances (RDA) • Adequate Intakes (AI) • Tolerable Upper Intake Levels (UL) LOOK AT FRONT & BACK COVER OF YOUR TEXT… BE VERY FAMILIAR WITH THESE CHARTS! • The DRI committee has made separate recommendations for specific sets of people – Men – Women – Pregnant women – Lactating women – Infants – Children – Specific age ranges DRI Intake Recommendations On average… try to get 100% or more of the DRI for every nutrient to ensure adequate intake over time. Nutrient Recommendations • Another set of nutrient standards is practical for the person striving to make wise choices among packaged foods – Daily Values • Nutrient standards that are printed on food labels • Based on nutrient and energy recommendations for a general 2,000 calorie diet or 2,500 “AVERAGE SMAVERAGE” Body Measurements (All figures are for U. S.) Average Height and Weight for Men and Women ages 20+ Book (DRIs based on) (p. 316 10 th Ed) M 5’10” 160 F 5’5” 128 Men: Height: 69.1 inches Weight: 180 lbs Women: Height: 63.7 inches Weight: 152 lbs Source: Unpublished Data from the National Health and Nutrition Examination Survey ESTIMATED AVERAGE REQUIREMENTS (EAR) TOLERALE UPPR INTAKE LEVELS (UL) EAR: Average nutrient intake requirements for a given life...
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This note was uploaded on 07/01/2011 for the course NTR 101 taught by Professor Hendry during the Spring '10 term at Holyoke CC.

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chapter 2 - CHAPTER 2 HOW MUCH SHOULD WE EAT AND OF WHAT...

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