Decolorization of Synthetic Dyes and Biodegradation of Bisphenol A by Laccase from the Edible Mushroom, Grifola frondosa

Thitinard NITHERANONT; Akira WATANABE; Toshisada SUZUKI; Takeshi KATAYAMA; Yasuhiko ASADA

doi:10.1271/bbb.110329

Biochemistry & Molecular Biology Notes

Decolorization of Synthetic Dyes and Biodegradation of Bisphenol A by Laccase from the Edible Mushroom, Grifola frondosa

Thitinard NITHERANONT, Akira WATANABE, Toshisada SUZUKI, Takeshi KATAYAMA, Yasuhiko ASADA

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Keywords: laccase, Grifola frondosa, dye decolorization, bisphenol A degradation, redox mediator

JOURNAL FREE ACCESS

2011 Volume 75 Issue 9 Pages 1845-1847

DOI https://doi.org/10.1271/bbb.110329

View "Advance Publication" version (September 7, 2011).

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Abstract

A major laccase isozyme from Grifola frondosa (Lac 1) was found to be effective for decolorizing of synthetic dyes and degrading of bisphenol A. The oxidative capability of Lac 1 toward synthetic dyes and bisphenol A was enhanced in the presence of the redox mediator, 1-hydroxybenzotriazole. The major product from the degradation of bisphenol A by Lac 1 was determined to be 4-isopropenylphenol.

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