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Science. 1980 Oct;210(4468):433-5.

Metabolism of propachlor by the germfree rat.

Abstract

Three major metabolites of propachlor were isolated from the excreta of germfree rats given 14C-labeled propachlor orally. In contrast, 11 urinary metabolites, six of which were 2-methylsulfonylacetanilides not present in excreta of germfree rats, were isolated from control rats given 14C-labeled propachlor orally. Enterohepatic circulation and microbial metabolism in the intestine were necessary for production of the methylsulfonyl-containing and other metabolites of propachlor in the conventional rat.

PMID:
7433983
DOI:
10.1126/science.7433983
[Indexed for MEDLINE]

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