, Volume 22, Issue 1, pp 89-93

Decolorization of Some Reactive Textile Dyes by White Rot Fungi Isolated in Pakistan

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Summary

Four white-rot fungi isolated in Pakistan were used for decolorization of widely used reactive textile dyestuffs. Phanerochaete chrysosporium, Coriolus versicolor, Ganoderma lucidum and Pleurotus ostreatus were grown in defined nutrient media for decolorization of Drimarene Orange K-GL, Remazol Brilliant Yellow 3GL, Procion BluePX-5R and Cibacron Blue P-3RGR for 10 days in shake flasks. Samples were removed every day, centrifuged and the absorbances of the supernatants were read to determine percentage decolorization. It was observed that P. chrysosporium and C. versicolor could effectively decolorize Remazol Brilliant Yellow 3GL, Procion BluePX-5R and Cibacron Blue P-3RGR. Drimarene Orange K-GL was completely decolorized (0.2 g/l after 8 days) only by P.chrysosporium, followed by P. ostreatus (0.17 g/l after 10 days). P. ostreatus also showed good decolorization efficiencies (0.19–0.2 g/l) on all dyes except Remazol Brilliant Yellow (0.07 g/l after 10 days). G. lucidum did not decolorize any of the dyestuffs to an appreciable extent except Remazol Brilliant Yellow (0.2 g/l after 8 days).