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Título

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

AutorDaâssi, Dalel; Prieto, Alicia ; Zouari-Mechichi, Héla; Martínez, María Jesús ; Nasri, M.; Mechichi, Tahar
Palabras claveBisphenol A
Laccases
Biodegradation
Identification
Intermediates
Pathway
Fecha de publicaciónmay-2016
EditorElsevier
CitaciónInternational Biodeterioration & Biodegradation 110: 181e188 (2016)
ResumenDifferent 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
Descripción29 p.-5 fig.
Versión del editorhttp://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
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