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Laccase-mediated degradation and reduction of toxicity of the postharvest fungicide imazalil

Paper ID Volume ID Publish Year Pages File Format Full-Text
36147 45122 2007 3 PDF Available
Title
Laccase-mediated degradation and reduction of toxicity of the postharvest fungicide imazalil
Abstract

The degradation of the postharvest fungicide imazalil by the oxidative enzyme laccase was investigated in the presence of a reaction mediator (a laccase/mediator system). Of various natural mediators tested, imazalil was degraded most effectively in the presence of 4-hydroxybenzoic acid while the absence of a mediator resulted in no degradation. In this system, the mediator compound was oxidized by laccase and then the oxidized mediator oxidized imazalil. The study on the cytotoxicity of the degraded-imazalil solution against mouse fibroblast L929 cells revealed toxicity of 4-hydroxybenzoic acid. The cytotoxic study also suggested that instead of 4-hydroxybenzoic acid, the used of methyl 4-hydroxybenzoate as the reaction mediator reduced the intrinsic cytotoxicity of imazalil.

Keywords
Biodegradation; Imazalil; Natural mediator; Oxidase; Pesticide; Toxicity
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Laccase-mediated degradation and reduction of toxicity of the postharvest fungicide imazalil
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 42, Issue 3, March 2007, Pages 459–461
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us