Abstract
A correlation study was conducted on 44 coupled net protein ratio (NPR) and protein efficiency ratio (PER) values; data were obtained from seven experiments performed during the last three years on 25 animal and vegetable protein sources. The correlation coefficient obtained was 0,96 (P ≤ 0,01) and the linear regression relating PER (Y) and NPR (X) is given by the following equation: Y = −0,461+0,774X. The study of other mathematical models indicated that the relation Y=0,305X3,078 0,598x is the best fitting line. Although the correlation coefficient was highly significant, a more detailed analysis of the results indicated marked differences between the two methods for the evaluation of various protein sources, especially those with a low nutritive value.
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Schedule a callMore From: Canadian Institute of Food Science and Technology Journal/Journal de L'Institut Canadien de Science et Technologie Alimentaire
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