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The level and origin of amylase (EC 3.2.1.1) in the digestive tract of chicks receiving trypsin inhibitors in their diet
Year:
1978
Source of publication :
British Journal of Nutrition
Authors :
Nitsan, Zafrira
;
.
Volume :
40
Co-Authors:
Nitsan, Z., Division of Poultry Science, Agricultural Research Organization, The Volcani Center, Department of Agricultural Biochemistry, Faculty of Agriculture, Hebrew, University of Jerusalem, Rehovot, Israel
Madar, Z., Division of Poultry Science, Agricultural Research Organization, The Volcani Center, Department of Agricultural Biochemistry, Faculty of Agriculture, Hebrew, University of Jerusalem, Rehovot, Israel
Facilitators :
From page:
235
To page:
242
(
Total pages:
8
)
Abstract:
1. Amylase (EC 3.2.1.1) activity found in the intestinal tract of chicks posterior to the stomach is of endogenous origin, as amylase in the food is inactivated by the low pH in the stomachs.2. Ingestion of raw soya-bean diet (RSD) or of heated soya-bean diet (HSD) supplemented with trypsin inhibitors induced higher amylase activities in the lower part of the small intestine and caecum as compared with HSD.3. Ingestion of RSD after ligation at the end of the duodenum, end of the ileum or one of the caeca, or injection of soya-bean trypsin inhibitor into a ligated caecum, indicated that there is no amylase synthesis by the intestinal tract cells or microflora as a response to the presence of RSD or trypsin inhibitors.4. It seems that amylase found in the digestive tract of the chick is of pancreatic origin and that RSD or trypsin inhibitors induce higher pancreatic amylase secretion than HSD which (the additional amylase) accumulates mainly in the caeca. © 1978, The Nutrition Society. All rights reserved.
Note:
Related Files :
amylase
Animal
animal experiment
cecum
Chickens
Intestines
Male
Trypsin Inhibitor, Bowman-Birk Soybean
Trypsin Inhibitors
Show More
Related Content
More details
DOI :
10.1079/BJN19780118
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
19222
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:27
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Scientific Publication
The level and origin of amylase (EC 3.2.1.1) in the digestive tract of chicks receiving trypsin inhibitors in their diet
40
Nitsan, Z., Division of Poultry Science, Agricultural Research Organization, The Volcani Center, Department of Agricultural Biochemistry, Faculty of Agriculture, Hebrew, University of Jerusalem, Rehovot, Israel
Madar, Z., Division of Poultry Science, Agricultural Research Organization, The Volcani Center, Department of Agricultural Biochemistry, Faculty of Agriculture, Hebrew, University of Jerusalem, Rehovot, Israel
The level and origin of amylase (EC 3.2.1.1) in the digestive tract of chicks receiving trypsin inhibitors in their diet
1. Amylase (EC 3.2.1.1) activity found in the intestinal tract of chicks posterior to the stomach is of endogenous origin, as amylase in the food is inactivated by the low pH in the stomachs.2. Ingestion of raw soya-bean diet (RSD) or of heated soya-bean diet (HSD) supplemented with trypsin inhibitors induced higher amylase activities in the lower part of the small intestine and caecum as compared with HSD.3. Ingestion of RSD after ligation at the end of the duodenum, end of the ileum or one of the caeca, or injection of soya-bean trypsin inhibitor into a ligated caecum, indicated that there is no amylase synthesis by the intestinal tract cells or microflora as a response to the presence of RSD or trypsin inhibitors.4. It seems that amylase found in the digestive tract of the chick is of pancreatic origin and that RSD or trypsin inhibitors induce higher pancreatic amylase secretion than HSD which (the additional amylase) accumulates mainly in the caeca. © 1978, The Nutrition Society. All rights reserved.
Scientific Publication
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