Effect of ethyl formate and formic acid to esterase and AChE of Sitophilus zeamais in vitro.
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Key Words：ethyl formate, formic acid, esterase, AChE, Sitophilus zeamais
Abstract： The inhibition of ethyl formate and formic acid to esterase and AChE of Sitophilus zeamais (Motschulsky) in vitro was studied. The results showed that ethyl formate can not inhibit esterase and AChE of S. zeamais in vitro, and the I50 of formic acid to esterase and AChE was much higher than the LC50 of the ethyl formate to S. zeamais. It revealed that the inhibition of formic acid was not the major mechanism of ethyl formate killing S. zeamais.