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GCSE Food Preparation and Nutrition · key term
An amino acid that the body cannot make in sufficient amounts and must obtain from food.
Used by AQA
Specification 3.2.1.1 · Paper 1
Revise: ProteinSome amino acids can be made by the body and are called non-essential amino acids. This does not mean they are unnecessary: it means they do not all have to come directly from food. Essential amino acids must be supplied by the diet because the body cannot make enough of them.
Biological value describes the essential amino acid profile, not how much protein a food contains.
Explain complementation by referring to essential amino acids supplied by different foods, not simply to eating more protein.
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