Valorization of agro-residues for production of ligninolytic enzymes from Pleurotus spp. and their deployment in dye decolorisation (original) (raw)

Biomass Conversion and Biorefinery

Abstract

The textile industries discharge around 10-15% dyes into effluents, posing threat to human health and environment. White-rot fungi are promising candidates for elimination of variety of dyes, owing to their potential for degradation and mineralization of a broad spectrum of highly toxic, recalcitrant, and organic pollutants. In this study, different species of Pleurotus were evaluated for ligninolytic enzymes production using paddy straw, sugarcane bagasse and wheat straw for 7, 14, 21 and 28 days of incubation, respectively. Among substrates, paddy straw exhibited maximum activity of laccase (Lac) (45968.9 ± 347.2 U/g) and manganese peroxidase (MnP) (16312.1 ± 99.9 U/g) from P. ostreatus D-66 after 28 days, however the lignin peroxidase (LiP) (10823.2 ± 94.5 U/g) activity from P. pulmonarius D-79 following 21 days.

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