Lecture 3 - NTRN 201 A Good Diet Needs to be Adequate in...

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NTRN 201
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A Good Diet Needs to be: Adequate in nutrients, Offer a variety of foods, Be moderate in empty calorie food choices
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Empty Calories vs. Nutrient Dense Foods Nutrient Density: determines its nutritional quality. “The ratio derived by dividing a food’s nutrient content by its calorie content. When its contribution to our need for that nutrient exceeds its contribution to our calorie need, the food is considered to have a favorable nutrient density.” (text pg 37)
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Comparison of Nutrient Density
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Energy Density A comparison of the kcal content of a food with the weight of the food. See pg 38 in text
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Consume a variety of foods balanced by moderate intake of each food. “choose a number of different foods within any given food group rather than eating the ‘same old thing’ day after day”
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Functional Foods Food that provide health benefits beyond those supplied by the traditional nutrients it contains. Fruits & Vegetables offer a rich supply of phytochemicals (plant chemicals) See pg 36 in text for tips in boosting phytochemicals
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5 major food groups: Grains Vegetables Fruit Dairy Protein
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STATES OF NUTRITIONAL HEALTH Desirable Nutrition : Malnutrition : Undernutrition : Overnutrition : subclinical deficiency toxicity clinical symptoms
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Measuring Nutritional Status ABCDE Method A nthropometric measurements Height Weight Body skinfolds Body circumferences B iochemical assessment Blood and urine lab tests C linical Examinations D iet assessment Usual intake and associated habits examined E conomic assessment
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Subclinical Symptoms Clinical Symptoms
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Recommendations for Food Choices Guidelines for Planning Healthy Diets
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The USDA Food Guide Pyramid was revised and introduced on April 19, 2005.
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For young children:
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Published in the January 2008 issue of the Journal of Nutrition, the Modified MyPyramid for Older Adults (>70 years old) stresses that older people should be careful to get enough fiber, calcium and vitamins D and B-12. It also emphasizes the importance of regular exercise and adequate fluid intake.
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My Pyramid represents the recommended proportion of foods from each food group focuses on the importance of making smart food choices in every food group, every day Illustrates Personalization, Gradual improvement, Physical activity, Variety, Moderation, Proportionality utilizes interactive technology
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Anatomy of MyPyramid USDA’S MyPyramid symbolizes a simple, personalized approach to remind consumers to make healthy food choices and to be active every day.
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Anatomy of MyPyramid: Activity ACTIVITY Represented by the steps and the person climbing them.
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Moderation Each food group narrows toward the top.
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This note was uploaded on 01/30/2011 for the course EMSE 103 taught by Professor Ggh during the Spring '10 term at Case Western.

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Lecture 3 - NTRN 201 A Good Diet Needs to be Adequate in...

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