Effects of temperature on activities of digestive enzymes in Cambarus clarkii

›› 2009, Vol. 21 ›› Issue (3): 0-240.

• 论文 •

Effects of temperature on activities of digestive enzymes in Cambarus clarkii

ZHU Yao-rong;SHOU Jian-xin;SHEN Wen—ying*

College of Science of Shaoxing University，Shaoxing，Zhejiang 312000，China

Received:1900-01-01 Revised:1900-01-01 Online:2009-05-25 Published:2009-05-25

Abstract

Abstract: Effects of different temperatures on activities of three digestive enzymes in Cambarus clarkii were examined．The results showed that the optimum temperatures for amylase in hepatopancreas，intestine and stomach were all 40℃ ；while the optimum temperatures for pepsin were all 35℃．In addition，the optimum temperatures for lipase in hepatopancreas，intestine and stomach were 25，35，25℃ ，respectively，and the optimum temperatures for trypase were 55，65，55℃ ，respeclively．At the oplimum reactive temperature，the activity order of amylase in different organs was stomach > hepatopancreas
> intestine，meanwhile ，the activity orders of trypase and pepsin were hepatopancreas> stomach > intestine．The activity of lipase in intestine was similar to in hepatopancreas，which was higher than in stomach．

Key words: Cambarus clarkii, temperature, activity of digestive enzymes

ZHU Yao-rong;SHOU Jian-xin;SHEN Wen—ying*. Effects of temperature on activities of digestive enzymes in Cambarus clarkii[J]. , 2009, 21(3): 0-240.

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Effects of temperature on activities of digestive enzymes in Cambarus clarkii

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