<prompt> All are true about Net protein utilization NPU except:Defined as Nitrogen retained Nitrogen consumed X 100Good for estimating protein qualityEgg has the highest NPU value1 gram protein is equivalent to 1 gram Nitrogen  <response>: NPU Nitrogen retained by the body Nitrogen intake x100 NPU 100 It gives a more complete expression of Protein quality. Egg has the highest NPU value of 96 100. 1 gram of Nitrogen is equivalent to : 6.25 grams of protein. NPU of Indian diet : 50-80. 