Biodegradation of the diazo dye Reactive Black 5 by a wild isolate of Candida oleophila
نویسندگان
چکیده
This work looks for a better understanding of the biodegradation of xenobiotic azo dyes mediated by yeasts. During a screening program of phenolic acid assimilating capacities it was found that a non-conventional ascomycetous yeast isolate, identified as Candida oleophila, efficiently decolorizes agar plates supplemented with the commercial textile diazo dye Reactive Black 5. Aerobic batch cultures of C. oleophila could completely decolorize up to 200 mg dye l−1, an ability not yet reported for this yeast species. Moreover, this performance has been achieved in just 24 h of incubation at 26 ◦C in the presence of as little as 5 g glucose l−1 and without visible signs of dye adsorption to yeast cells. It was found that d t a ©
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