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Edexcel Level 3 BTEC Nationals in Health and Social Care

Edexcel Level 3 BTEC Nationals in Health and Social Care

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UNIT 21: NUTRITION FOR HEALTH AND SOCIAL CAREUnit content1 Underst<strong>and</strong> concepts of nutritional healthNutrition: food, diet, nutrients, additives, nutritional supplements, fortificationof food; malnutrition, undernutrition, deficiency, overnutrition, overweight,obesity, energy balance, body mass <strong>in</strong>dex; Dietary Reference Values, ReferenceNutrient IntakesDietary <strong>in</strong>take: Balance of Good <strong>Health</strong>, food groups, food pyramid, five a day;effect of food preparation/process<strong>in</strong>g methods, hidden <strong>in</strong>gredients2 Know the characteristics of nutrientsCharacteristics: sources, function <strong>in</strong> body, requirements (Reference NutrientIntakes for different groups), effect of process<strong>in</strong>g, eg heat, storage, freez<strong>in</strong>g,shelf-lifeAvailability to body: through digestion, sunlightCarbohydrates: monosaccharides, disaccharides, polysaccharides: starch, nonstarchpolysaccharides; sugar substitutes (eg artificial sweeteners, sorbitol)Prote<strong>in</strong>s: am<strong>in</strong>o acids, peptides, polypeptidesLipids: triglycerides, fatty acids: saturated, unsaturated; trans, cis; lipoprote<strong>in</strong>s,cholesterolVitam<strong>in</strong>s: fat-soluble: vitam<strong>in</strong>s A, D, E <strong>and</strong> K; water-soluble: B group, CM<strong>in</strong>erals: iron, calcium, magnesium, sodium, potassium, selenium, z<strong>in</strong>cOther diet-related consumption: contribution of water, dietary fibre, alcohol,nutritional supplements <strong>and</strong> substitutes (eg slimm<strong>in</strong>g foods, nutrient pills)Physiological pr<strong>in</strong>ciples: eg relevant aspects of digestion; carbohydrate, prote<strong>in</strong><strong>and</strong> fat metabolism; physiology of the circulation, endocr<strong>in</strong>e function (eg <strong>in</strong>sul<strong>in</strong>,thyrox<strong>in</strong>e), renal functionBN018467 – Specification – <strong>Edexcel</strong> <strong>Level</strong> 3 <strong>BTEC</strong> <strong>Nationals</strong> <strong>in</strong> <strong>Health</strong> <strong>and</strong> <strong>Social</strong> <strong>Care</strong>– Issue 1 – February 2007 © <strong>Edexcel</strong> Limited 2007285

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