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Volume 20 Issue 4
Apr.  2012
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HUANG Yong-chun, HUANG Fu-jian, DU Hong-xin, CHEN Qi-hui, WANG Hao-zhen. Preliminary studies on the effect of pH value on the digestive enzyme activities of Pangasius Sutchi (Fowier)[J]. Fujian Journal of Agricultural Sciences, 2005, 20(4): 265-270.
Citation: HUANG Yong-chun, HUANG Fu-jian, DU Hong-xin, CHEN Qi-hui, WANG Hao-zhen. Preliminary studies on the effect of pH value on the digestive enzyme activities of Pangasius Sutchi (Fowier)[J]. Fujian Journal of Agricultural Sciences, 2005, 20(4): 265-270.
shu

Preliminary studies on the effect of pH value on the digestive enzyme activities of Pangasius Sutchi (Fowier)

  • 1.

    Fishery College of Jimei University, Xiamen, Fujian 361021. China;

  • 2.

    Xiamen Reproductive Farm of Acquatic Improved Variety, Xiamen, Fujian 361021, China

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  • Received Date: April 01, 2005
  • Revised Date: August 28, 2005
    Graphical Abstract
    • Abstract
  • The effects of pH values on the protease and amylase activities in different digestive organs (liver, intestines and stomach) of Pangasius Sutchi (Fowier) were preliminarily studied.The results showed that the enzyme activities changed with the variation of pH value, among which the optimum pH for protease were 7.0, 7.8 and 3.0 respectively in the liver, intestine and stomach, and for the amylase were 7.0, 6.2 and 7.0 in the white Fowier.In the black Fowier, the optimum pH values for protease were 7.0, 7.8 and 3.0, and for the amylase were 7.0, 7.0 and 7.0.The protease activities was stomach>liver>intestine and the amylase activities was liver> stomach>intestine.The enzyme activities of the black Fowier were all higher than those of the white one.
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    • References (2)
  • [8] Crostom C B.Tryptic enzymes of Chinook Salmon[J].Archives of Biochem and BiopHysis,1960,89:202-206.
    [11] Jany K D.Studies on the digestive enzymes of the stomachess bony fish,Carassius auratus giblio (Bloch):Endopetidases[J].Comp Biochem Physiol,1976,536:31-38.
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