Nutrition - Nutrition

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LR/CC/FNB Unit 3: Topic 10 Nutrition
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LR/CC/FNB 1: What should we eat? : RDA ~ Recommended Dietary Allowances L RNI ~ Reference Nutrient Intake L Quantities of individual nutrients in diet to maintain good nutritional health L Standards originated in military requirements during World Wars L Different countries have similar standards
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LR/CC/FNB 2: RDA’s : Are Averages L Of requirements of whole populations L Of daily intakes L Not necessary to consume RDA amounts on a daily basis! L Your requirements can differ from averages L Because of age, weight, physiology or genetics.
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LR/CC/FNB 3: RDA’s : Established on basis of average known requirement in metabolic studies L Increased to cover range of variation in population and provide a safety margin L Generally 50% above average figure
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LR/CC/FNB
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LR/CC/FNB 4: RDV, Daily Values : Recommended Daily Allowances L Daily values are derived from RDAs L Expressed in terms of daily requirement L Used in food labels
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LR/CC/FNB 5: Government Dietary guidelines : Aim to improve diets L US dietary guidelines first issued in 1980 L revised every 5 years L Current USA energy intake vs. Guideline L Protein 15% 15% L Carbohydrate 46% 55% L Fat 38% 30%
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LR/CC/FNB 6: Practical Dietary guidelines : Most Govts issues suggested diets L Good Food Pyramid, USDA 1992 L Easy to understand L Uses broad categories L Approximate amounts L Allows flexibility in food choice L 2005 revision My Pyramid to reflect more choice L Other styles in other places
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LR/CC/FNB
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LR/CC/FNB
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LR/CC/FNB Reasons to be Concerned
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LR/CC/FNB 7: How to know what you eat. : Legislation of food composition L 1860 First UK food act L L Establishment of food inspectorate L Required labelling if modified L List of ingredients L In order of abundance L Main purpose to reduce fraud
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Nutrition - Nutrition

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