Protein
- Created by: Em
- Created on: 26-03-16 13:13
View mindmap
- Protein
- Essential constituent of all cells and must be included in the diet to enable the growth and repair of the body
- Sources
- Animal- meat, fish, eggs, milk, cheese
- Plant- beans, lentils, peas, wheat, rice, nuts
- Sources
- Biological value
- Amino acids are the building blocks of protein and there are about 20 different types commonly found in plant and animals proteins
- Indispensable (essential) amino acids cannot be made in the body in sufficient amounts
- HBV contains indispensable amino acids
- Dispensable amino acids can be made in the body
- LBV- low in one or more indispensable amino acids
- Daily intake in the UK is 85g for men and 62g for women
- Functions
- Growth of body cells, particularly during the growth spurts of adolescents and the foetus
- Maintenance and repair of body cells and tissues
- Provides a source of energy if other sources of energy are lacking in the diet
- Deficiency
- Rare in UK but can be common in developing countries
- 2 most common types of protein energy malnutrition (PEM) are marasmus and kwashiorkor
- Marasmus occurs in infants under one year of age who have been weaned off breastmilk onto a diet with too little energy and protein
- Kwashiorkor occurs in children who are weaned off breastmilk onto a diet high in starchy foods that are low in energy and protein
- Marasmus occurs in infants under one year of age who have been weaned off breastmilk onto a diet with too little energy and protein
- 2 most common types of protein energy malnutrition (PEM) are marasmus and kwashiorkor
- Rare in UK but can be common in developing countries
- Excess
- Excess protein will be used as energy so can contribute towards a surplus of energy
- Novel sources
- Suitable for vegetarians, low in fat, rich in protein and a meat alternative
- Examples are miso, mycoprotein (quorn), soya, tempeh and tofu
- Suitable for vegetarians, low in fat, rich in protein and a meat alternative
- Essential constituent of all cells and must be included in the diet to enable the growth and repair of the body
Comments
No comments have yet been made