Pollution Research Paper

Vol.17, Issue 03, 1998; Page No.(281-285)

FENVALERATE IMPACT ON TISSUE ACID AND ALKALINE PHOSPHATASE ACTIVITY OF THE FISH, CHANNA PUNCTATUS (BLOCH)

K. PARTHASARATHI AND R. KARUPPASAMY

Abstract

The effect of sublethal concentration (0.013) of a organochloride insecticide fenvalerate on acid and alkaline phosphatase enzyme activties of liver, intestine and muscle was studied in a fresh water fish, Channa punctatus (bloch) exposed to 24, 48, 72 and 96 hours. The obtained values indicate that fenvalerate decreased acid and alkaline phosphatase activity in all the tissues during all the period of exposures. particularly the maximum inhibition was found in 96 hours exposure. The decrease acid phosphaste activity was due to uncoupling of phosphorylation/increased glyconeogenelysis/changes in the mitochondrial membrane function and a similar inhibition of alkaline phophatase activity could be due to meet energy demand aiding anaerobic breakdown of glycogen/arrest of cell secretory activity under fenvalerate stress.

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