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- Title
Degradation of a xenobiotic textile dye, Disperse Brown 118, by Brevibacillus laterosporus.
- Authors
Kurade, Mayur; Waghmode, Tatoba; Kabra, Akhil; Govindwar, Sanjay
- Abstract
The toxic textile dye, Disperse Brown 118, was degraded by Brevibacillus laterosporus. 96 % decolorization was achieved within 48 h at pH 7, 40 °C at 50 mg dye l accompanied by significant increases in the activities of veratryl alcohol oxidase, tyrosinase and NADH-DCIP reductase. HPTLC and FT-IR spectroscopy confirmed biodegradation after dye decolorization. As identified by GC-MS, biodegradation products of Disperse Brown 118 were N-carbamoyl-2-[(8-chloroquinazolin-4-yl)oxy] acetamide and N-carbamoyl-2-(quinazolin-4-yloxy)acetamide which were much less toxic than parent dye as evidenced by phytotoxicity tests.
- Subjects
XENOBIOTICS; DYES &; dyeing; ALCOHOL oxidase; PHENOL oxidase; THIN layer chromatography; GAS chromatography/Mass spectrometry (GC-MS)
- Publication
Biotechnology Letters, 2013, Vol 35, Issue 10, p1593
- ISSN
0141-5492
- Publication type
Article
- DOI
10.1007/s10529-013-1253-z