NDLI: The In Vivo Effect of Mercuric Chloride on some Digestive Enzymes of a Fresh Water Teleost Fish, Channa punctatus

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The In Vivo Effect of Mercuric Chloride on some Digestive Enzymes of a Fresh Water Teleost Fish, Channa punctatus

Content Provider	Semantic Scholar
Author	Sastry, K. N. V. Gupta, Praveen Kumar
Abstract	Mercury is one of the environmental pollutants highly toxic to animals. Toxic effects of metals and chemicals may result from their binding with biologically active constituents of the body such as lipid, aminoacids, enzymes and other proteins (PASSOW et al. 1961). Mercurialsare known fo produce structural damage in the nervous system (CHANG & HARTMANN 1972a,b) and kidney (SAHAPHONG & TRUMP 1971, WARH et al. 1973) of mammals and digestive system of fishes (SASTRY & GUPTA 1977c). Alterations in enzymic and metabolic processes have been observed in animals treated with mercury and other heavy metals (WEBB 1966). Though, mercury interferes with the physiological functions of liver, brain and kidney (BLACKWOOD et al. 1965), and digestive tract (SASTRY & GUPTA 1977a) the exact mode of action is hot known. After ifs administration, mercury accumulates in the liver (TAKAHASHI et al. 1971) and if has been reported that most of the mercurials are eliminated through the bile, and the diffusible complex is rapidly absorbed in the intestine into the blood stream giving fise to a large enterohepatic circulation of mercury (NORSETH & CLARKSON 1971). As the liver is the main detoxificating organ, it is important fo study the physiological alterations in the enzyme activities due fo ex,sure to this metal. Some mercury enters the body of fish through food chain and most likely produces toxic effects in the digestive system. Emphasis is mos%lu attached to liver and very little information is available on the pathological and physiologica! alterations produced by mercury in the digestive system. The present com~nunicoetion deals with the alterations in the enzyme activities that accompany chronic mercury intoxication in liver and different parts of the digestive tract of a teleost fish, Channa punctatus.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://page-one.springer.com/pdf/preview/10.1007/BF02026899
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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