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・ Protein-ribulosamine 3-kinase
・ Protein Data Bank
・ Protein Data Bank (file format)
・ Protein database
・ Protein deacetylase
・ Protein DEPP
・ Protein design
・ Protein detoxification
・ Protein diet
・ Protein Digestibility Corrected Amino Acid Score
・ Protein dimer
・ Protein dispersibility index
・ Protein disulfide-isomerase
・ Protein domain
・ Protein dynamics
Protein efficiency ratio
・ Protein engineering
・ Protein Expression and Purification
・ Protein FAM186B
・ Protein FAM46B
・ Protein family
・ Protein filament
・ Protein fingerprinting
・ Protein fold class
・ Protein folding
・ Protein footprinting
・ Protein fragment library
・ Protein function prediction
・ Protein G
・ Protein geranylgeranyltransferase type I


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Protein efficiency ratio : ウィキペディア英語版
Protein efficiency ratio

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, the PER had been a widely used method for evaluating the quality of protein in food.
The food industry in Canada currently uses the PER as the standard for evaluating the protein quality of foods.〔http://inspection.gc.ca/food/labelling/food-labelling-for-industry/nutrition-labelling/elements-within-the-nutrition-facts-table/eng/1389206763218/1389206811747?chap=7〕 The official method for determining the protein efficiency ratio is from Health Canada's Health Protection Branch Method FO-1, October 15, 1981.〔http://www.inspection.gc.ca/food/labelling/food-labelling-for-industry/nutrition-labelling/elements-within-the-nutrition-facts-table/eng/1389206763218/1389206811747?chap=7〕
The U.S. Food and Drug Administration now uses the PDCAAS as the basis for the percent of the U.S. recommended daily allowance (USRDA) for protein shown on food labels. However, the PER is still used in certain FDA regulations. The US FDA official methods to calculate the PER are as stated in the Official Methods of Analysis of AOAC International, 16th ed. (1995) Section 45.3.05, AOAC Official Method 982.30 Protein Efficiency Ratio Calculation Method; and Official Methods of Analysis of AOAC International, 18th ed. (2005).〔21 C.F.R. §106.160〕
PER \,= \frac
==See also==

* Protein (nutrient)
* Protein Digestibility Corrected Amino Acid Score (PDCAAS)
* Net protein utilization
* Nitrogen balance
* Biological value

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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