Sunday, March 27, 2016

2.24 identify sources and describe functions of carbohydrate, protein, lipid (fats and oils), vitamins A, C and D and the mineral ions, calcium, iron, water and dietary fibre as components of the diet

Carbohydrate: Immediate energy (rice, bread potatoes)
Protein: Growth and repair (meat, seafood, eggs)
Lipids: Energy store; insulation; protection (fish, egg, milk)
Vitamin A: Good vision; forming and maintaining healthy skin, normal reproduction, healthy teeth, immune system (carrots, spinach, pumpkin, broccoli)
Vitamin C: Aids absorption of iron and copper, fighting infection (orange, blackcurrants, raspberries)
Vitamin D: aids absorption of calcium (sunlight, salmon, eggs)
Calcium: Development and maintenance of bones and teeth (milk, cheese, yoghurt)
Iron: Haemoglobin in red blood cells (transport of oxygen) (red meat)
Water: Needed for chemical reactions in cells

Dietary fibre: Healthy bowel; reduces risk of bowel cancer (rice, beans, nuts)

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