Needed for growth and repair of body tissue, needed for the metabolism and hormones.
Proteins make up amino acids, the body needs 20 amino acids -11 are produced in the body and 9 need to be provided from a diet.
HBV (high biological value) proteins - meat, fish, diary products
LBV proteins - peas, pulses, nuts and seeds
Vegans obtain protain from nuts, beans, Quorn, cereal etc.
Protein deficiency - slow or stop of growth in children, enzymes are not produced, muscles become weak, liver doesn't function normally.
Kwashiorkor is a diesease which occurs in less developed countires when a child is taken off breast feeding and has a diet low in protein.
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