ISSN: 0973-7510

E-ISSN: 2581-690X

A. Saranya, G. Roseline Jebapriya and J. Joel Gnanadoss
1Microbial and Environmental Biotechnology Research Centre, Department of Plant
Biology and Biotechnology, Loyola College (Autonomous), Chennai – 600 034, India.
J Pure Appl Microbiol. 2014;8(1):515- 522
© The Author(s). 2014
Received: 08/05/2013 | Accepted: 20/06/2013 | Published: 28/02/2014
Abstract

Studies on decolourization of textile dyes using brown rot fungi are very scarce. In the present investigation, nine such brown rot fungi were isolated and screened for their ability to decolourize brilliant green, bromophenol blue and methyl red. Three promising isolates, A. flavus LCJ 51, A. nidulans LCJ 52 and A. niger LCJ 55 were selected on the basis of this qualitative screening and used for decolourization study in liquid medium by monitoring the decrease in absorbance of each dye. All three Aspergillus sp. (A. flavus LCJ 51, A. nidulans LCJ 52 and A. niger LCJ 55) effectively decolourized brilliant green, bromophenol blue and methyl red, but they differed in decolourization ability depending on various culture conditions which have been reported.  Our result proposes that Aspergillus sp. could effectively be used as an alternative to the conventional physico-chemical method of dye decolourization.

Keywords

Dye decolourization, Biological treatment, Brown rot fungi, Aspergillus species

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