Food tech: Proteins
- Created by: xjess2004
- Created on: 02-03-20 19:54
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- Proteins
- Needed for
- Growth - e.g. from childhood to adulthood and for the growth of nails, hair and muscle mass
- Repair - e.g. repairing our muscles, tissues and organs after illness or injury
- Maintenance - e.g. to make enzymes for digestion and anti bodies to stop us getting ill
- High biological value (HBV)
- Mainly animal- meat fish, egg
- Only plant -soya beans and quinoa
- Low biological value (LBV)
- Missing one or more essential amino acids
- Plant sources
- Protein complementation
- If we don't get enough HBV we combine different LBV to get enough essential amino acids
- Amounts of protein
- Growing children - greater amount of protein
- Physically active people need more protein
- Pregnant women need more protein to help the baby grow
- Problems caused by
- Too much - liver and kidneys help process proteins. too much puts a strain on them.
- Too little - growth slowed down, immune system cant work as well, oedema build up of fluid, lead to kwashiorkor swollen abdomens
- Alternative
- Soya, TVP , Mycoprotein, Tofu
- Needed for
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