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Pyrethroid insecticides: esterase cleavage in relation to selective toxicity
Authors:C O Abernathy  J E Casida
Abstract:The ester group of primary alcohol chrysanthemates is cleaved by mouse hepatic microsomal esterases, more rapidly for the (+)-trans than for the (+)-cis isomers. Substrate-specificity and inhibition studies in vivo establish that these pyrethroid-hydrolyzing esterases probably contribute to the low mammalian toxicity of bioresmethrin and other (+)-trans chrysanthemate insecticide chemicals derived from primary alcohols.
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