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Title

Degradation of bisphenol A by different fungal laccases and identification of its degradation products

AuthorsDaâssi, Dalel; Prieto, Alicia ; Zouari-Mechichi, Héla; Martínez, María Jesús ; Nasri, M.; Mechichi, Tahar
KeywordsBisphenol A
Laccases
Biodegradation
Identification
Intermediates
Pathway
Issue DateMay-2016
PublisherElsevier
CitationInternational Biodeterioration & Biodegradation 110: 181e188 (2016)
AbstractDifferent fungal laccases were used as biocatalysts for the biotransformation of bisphenol A (BPA). The quantitative analysis by gas chromatography-mass spectrometry (GCeMS) showed that BPA is more rapidly oxidized by Coriolopsis gallica laccase among the different fungal laccases tested. Carboxylic acid derivatives such as tartaric acid was found as BPA degradation products resulting from reactions catalyzed by 1 U ml 1 of laccase from C. gallica in the presence of 1 mM of the laccase-mediator 1-hydroxybenzotriazole (HBT), while b-hydroxybutyric acid resulted from oxidative reactions without HBT. BPA was completely removed within 3 h and pyroglutamic acid was found as a supplementary oxidative degradation product from HBT when identified by GCeMS. Laccase played a critical role in BPA biodegradation and catalyzed a cross-coupling reaction
Description29 p.-5 fig.
Publisher version (URL)http://dx.doi.org/10.1016/j.ibiod.2016.03.017
URIhttp://hdl.handle.net/10261/131596
DOI10.1016/j.ibiod.2016.03.017
ISSN0964-8305
Appears in Collections:(CIB) Artículos
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