ESTIMATION OF PROTEIN DIGESTIBILITY .1. DEVELOPMENT OF AN IN-VITRO METHOD FOR ESTIMATING PROTEIN DIGESTIBILITY IN SALMONIDS (SALMO-GAIRDNERI)

被引:85
作者
DIMES, LE
HAARD, NF
机构
[1] Department of Food Science and Technology, University of California, Davis
来源
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-PHYSIOLOGY | 1994年 / 108卷 / 2-3期
关键词
PROTEIN DIGESTIBILITY; SALMO GAIRDNERI;
D O I
10.1016/0300-9629(94)90106-6
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A pH-stat in vitro assay method using enzyme fraction from fish pyloric ceca was developed for estimating protein digestibility in salmonid diets. The data obtained by pH-stat method were compared with those obtained by pH-shift methods and with in vivo digestibility in fish. Results indicated that the pH-stat method better predicts the range of protein digestibility of the samples studied than pH-shift methods. The method has potential as an accurate way to estimate the digestibility and biological value of alternate protein sources for salmonid feeds.
引用
收藏
页码:349 / 362
页数:14
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