אסיף מאגר המחקר החקלאי

Effect of 1-propanol on the activity of intestinal proteolytic enzymes of the European sea bass Dicentrarchus labrax

Year:

1994

Source of publication :

Authors :

Volume :

42

Co-Authors:

Harpaz, S., Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet-Dagan 50250, Israel, Fish and Aquaculture Research Unit.
Eshel, A., Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet-Dagan 50250, Israel, Department of Food Sciences.
Lindner, P., Agricultural Research Organization, Volcani Center, P.O. Box 6, Bet-Dagan 50250, Israel, Department of Food Sciences.

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Abstract:

The effect of 1-propanol and aliphatic alcohols on intestinal proteolytic and peptidase activities of the European sea bass Dicentrarchus labrax was examined in vitro. Results show that 1-propanol has a definite enhancing effect on the activity of trypsin and carboxypeptidase B as well as on the total proteolytic activity when tested with casein. Other intestinal enzymes were inhibited to various extents by 1-propanol. Effects of other aliphatic alcohols (e.g., butanols, 2-propanol, ethanol, and methanol) were tested as well. Results show that the less polar alcohols brought about the highest amplification of trypsin activity. © 1994 American Chemical Society.

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