3688044
Description
Flashcards by Peter Fitzroy, updated more than 1 year ago
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Created by Peter Fitzroy
over 8 years ago
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| Question | Answer |
| Protein functions | Growth Repair Maintenance Healing Energy |
| How many essential amino acids are there | 10 |
| HBV proteins | Contain all the essential amino acids |
| LBV proteins | Are missing one or more of the essential amino acids |
| Protein complementing (define and example) | Mixing LBV proteins together to give all the essential amino acids e.g. Baked beans on toast |
| Diet | The food we eat everyday |
| Balanced diet | Eating the right amount of nutrients and minerals and a variety of foods for our individual needs |
| Malnutrition | Bad nutrition-eating too much or too little of one or more nutrients |
| Foods may contain natural or added: | Flavourings Colourings Preservatives Enzymes Texture |
| Special diet | Increase or decrease a nutrient or food e.g. low salt, weight loss and high fibre diets |
| Food provides: | All of the materials(nutrients) and energy that the body needs for growth, maintenance, repair and to work properly |
| LBV protein examples (you must say at least 3) | Cereals, pulses, beans, seeds, some nuts and meat alternatives e.g. Quorn |
| HBV protein examples (you must say at least 3) | Meat, fish, eggs, milk, cheese, soya beans and quinoa |
| Deficiency of protein in children (say at least 3) | Poor growth Slow healing Catch infections easily Fluid under skin (oedema) Thin, weak Cannot digest food properly Diarrhoea Hair thinning |
| Deficiency of protein in adults (say at least 3) | Lose muscle and fat Internal organs weaken Dry hair and skin Oedema(fluid under skin) |
| Fat molecule composition | one part glycerol and three parts fatty acids - a triglyceride |
| Saturated fatty acids | Full of hydrogen |
| Unsaturated fatty acids | Double bonds and so can take on more hydrogen |
| Monounsaturated fatty acids | One double bond |
| Polyunsaturated fatty acids | Two or more double bonds |
| Hydrogenation (define and give danger) | Adding hydrogen to make a liquid oil become a solid fat Can result in the production or trans fats, which may be harmful to health |
| Functions of fat in the body (give at least 3) | Provides energy Stored in adipose tissue cells Insulates body from cold Protects organs e.g. kidneys Protects skeleton Provides the fat soluble vitamins: A,D,E and K |
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