In context of protein quality define the following. Give the formulae:

Question

i) Biological value

ii) Net protein utilization (NPU)

iii) Amino acid score

24 Nov 2020

Answer :

Word Count : 567

i) Biological value (BV) is a quantity used to evaluate certain foods in terms of the proportion of protein in the food that is both absorbed by the body and then retained for use in the body. Biological Value (BV) is included in some courses involving study of the human digestive system and is useful when considering diets and dieting, e.g. for weight loss or muscle gain.

This is a general introduction to the concept of BV. Obtaining accurate values of BV is not quick or easy and is not usually required for introductory-level courses in diet and nutrition and associated health science subjects.

Proteins are a major source of diertary nitrogen, i.e. nitrogen in food. The Biological Value (BV) of a food summarizes how readily the broken down protein from the food can be used in protein synthesis in the _________ ______ ________ ___ ___ ____ _________.
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