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Authors

Djamartumpal F. Lumban Batu

Abstract

A study was made of the oxydative desulfuration of [14C]-fenitrothion by liver microsomes of some species of fishes. The preliminary research had been carried out to obtain the optimal condition of fenitrothion assay of the liver microsomes of every test spesies, including : pH, temperature, pre incubation time, incubation time, trypsin inhibitor, NADH and NADPH effect. The hepatic microsomes of treated and control were subjected to fenitrothion oxydative desulfuration assay, protein and cytochrome P-450 content and another enzyme activities.

 

Abstrak

Suatu studi telah dilakukan tentang oksidasi desulfurasi dari [14C]-fenitrothion yang berlangsung pada mikrosom liver dari beberapa spesies ikan. Penelitian pendahuluan telah dilakukan untuk mengetahui kondisi optimum pada suatu uji fenitrothion yang berlangsung pada liver dari spesies uji meliputi beberapa parameter seperti: pH, suhu, waktu pra-inkubasi, waktu inkubasi, inhibitor tripsin, serta pengaruh dari NADH dan NADPH. Mikrosom liver dari kontrol dan perlakuan telah digunakan pada uji oksidasi desulfurasi fenitrothion untik mendeterminasi kandungan protein dan sitokrom P-450.

Keywords:
cytochrome P-450; enzyme activities; fenitrothion; oxydative desulfuration; fishes; microsomes; protein.;

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References

Lumban Batu DF. 1991. A study on the characteristics of drug-metabolizing enzyme and its relation to the changes in duration of drugs in fishes. Doctor Degree Dissertation. Kyushu University, Fukuoka, Japan.

Lumban Batu DF. 1992. Induction of the cytochrome P-450 dependent mixed function oxidases in carp by dietary administration of environmental contaminants. Paper presented to: The Regional Seminar on Waste treatment and recovery technology and the sixth NCPR meeting wastenet. Bogor, Indonesia, Agust 25-26, 1992.

Lumban Batu DF. 1998. Induction capabilities of some environmental contaminants on the enzyme activities of carp liver microsomes and cytosol fraction. Scientific Journal Ga-kuryoku, 2:31-43.

Lumban Batu DF. 2001a. Effect of several environmental contaminants on the benzo (a) pyrene hydroxylase enzyme activity of carp liver microsome. Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia, 8(1):23-29.

Lumban Batu DF. 2001b Induction of several contaminants on the cytochrome P-450 content of carp microsome and cytosol fractions. Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia, 8(2):9-18.

Lumban Batu DF. 2010. Determination of residual oxytetracycline in fishes by high per-formace liquid chromatography. Jurnal Ikti-ologi Indonesia, 10(1):35-45.