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The effect of methionine supplementation on the levels of pancreatopeptidase E, trypsin, chymotrypsin and amylase in the pancreas of chicks receiving raw and heated soya-bean diets*

Published online by Cambridge University Press:  09 February 2010

Zafrira Nitsan  and
A. Gertler
Zafrira Nitsan
Affiliation:
Division of Poultry HusbandryThe Volcani Institute of Agricultural Research, Rehoaot, Israel
A. Gertler
Affiliation:
Department of Agricultural Biochemistry and Animal Nutrition, Faculty of Agriculture, Hebrew University of Jerusalem, Rehovot, Israel
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Abstract

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1. The effect of methionine supplementation upon pancreatic trypsin, chymotrypsin, pancreatopeptidase E and amylase of chicks given raw and heated soya-bean diets (RSD and HSD) was studied before and after fasting.

2. Statistical analysis of the ratios of amylase to pancreatopeptidase E, trypsin and chymotrypsin in each individual chick revealed that methionine supplementation consistently increased the ratio of amylolytic to proteolytic enzymes. This phenomenon was most marked in the fasted RSD group, less in the fed RSD and fasted HSD groups and least in the fed HSD group.

3. The results are discussed in relation to methionine metabolism in chicks given RSD and HSD supplemented with trypsin inhibitors.

Type
General Nutrition
Information
British Journal of Nutrition , Volume 27 , Issue 2 , March 1972 , pp. 337 - 342
Copyright
Copyright © The Nutrition Society 1972

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