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Biological value is determined based on this formula. [4] [5] BV = ( N r / N a) * 100. Where: N a = nitrogen absorbed in proteins on the test diet N r = nitrogen incorporated into the body on the test diet. However direct measurement of N r is essentially impossible. It will typically be measured indirectly from nitrogen excretion in urine. [6]
A 1935 children's fantasy movie The New Gulliver combined live action with stop-motion animation. Fantasy, mythology and folklore were often present in Soviet film and animation, especially children's. Most films were adaptations of traditional fairy tales and myths, both Russian and foreign.
The PDCAAS value is different from measuring the quality of protein from the protein efficiency ratio (PER) and the biological value (BV) methods. [3] The PER was based upon the amino acid requirements of growing rats, which differ significantly from those of humans.
3 The Biological Utilization section (formely Criticisms which I appropriately renamed) is POV and unencyclopedic.
The Oscar-winning 1936 musical film The Great Ziegfeld depicts the beginning of modern bodybuilding, when Sandow began to display his body for carnivals. [9] Sandow was so successful at flexing and posing his physique that he later created several businesses around his fame, and was among the first to market products branded with his name.
As a value, NPU can range from 0 to 1 (or 100), with a value of 1 (or 100) 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.
Protein efficiency ratio (PER) is based on the weight gain of a test subject divided by its intake of a particular food protein during the test period.. From 1919 until very recently [when?], the PER had been a widely used method for evaluating the quality of protein in food.
Biologicals is a bimonthly peer-reviewed scientific journal and the official journal of the International Alliance for Biological Standardization. The journal covers research on the development, production, quality control, and standardization of biological derived from both novel and established biotechnologies.