Protein foods having high biological value
The biological value of protein indicates its quality. The biological value depends on its amount of essential amino acids content. Foods that are rich in protein for e.g. milk, fish, meat and soybean have high biological value. These are known as “First class proteins” or “Good quality proteins”. The required quantity of proteins can be maintained by providing with 75 per cent vegetable proteins together with 25 per cent animal proteins or 50 per cent cereal protein and 50 per cent protein from pulses and legumes.
Excessive intake of protein is harmful
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