The best index for calculation of the nutritional value of protein is which one of the following:
Correct Answer: Net protein utilization
Description: Ans. (b) Net protein utilizationRef: K. Park 23th ed.* The net protein utilization, or NPU, is the ratio of amino acid converted to proteins to the ratio of amino acids supplied. This figure is somewhat affected by the salvage of essential amino acids within the body, but is profoundly affected by the level of limiting amino acids within a foodstuff.* NPU can range from 1 to 0, with a value of 1 indicating 100% utilization of dietary nitrogen as protein and a value of 0 an indication that none of the nitrogen supplied was converted to protein. Certain foodstuffs, such as eggs or milk, rate as 1 on an NPU chart.
Category:
Biochemistry
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