Decolorization and biodegradation of textile dye Navy blue HER by Trichosporon beigelii NCIM-3326

R. G. Saratale, G. D. Saratale, Jo-Shu Chang, S. P. Govindwar

Research output: Contribution to journalArticle

115 Citations (Scopus)

Abstract

Navy blue HER was decolorized and degraded within 24 h by Trichosporon beigelii NCIM-3326 under static condition. In the present study, we investigated various physicochemical parameters such as agitation, temperature, pH, cell concentration, initial dye concentration and different carbon and nitrogen sources to achieve maximum dye degradation by T. beigelii. Sequentially, decolorization and decrease in the total organic carbon (TOC) of Navy blue HER by T. beigelii were measured. Among five strains T. beigelii gave the better performance on the decolorization of Navy blue HER along with a 95% TOC reduction within 24 h. A significant increase in the activities of NADH-DCIP (dichlorophenolindophenol) reductase and azoreductase in the cells obtained after complete decolorization presumably indicates involvement of these enzymes in decolorization process. UV-vis, TLC, HPLC and FTIR analysis of extracted products confirmed the biodegradation of Navy blue HER. Phytotoxicity study demonstrated no toxicity of the biodegraded products with respect to plants viz. Phaseolus mungo and Sorghum vulgare. In addition to Navy blue HER, this strain also shows ability to decolorize various industrial dyes, including Red HE7B, Golden yellow 4BD, Green HE4BD, Orange HE2R, Malachite green, Crystal violet and Methyl violet.

Original languageEnglish
Pages (from-to)1421-1428
Number of pages8
JournalJournal of Hazardous Materials
Volume166
Issue number2-3
DOIs
Publication statusPublished - 2009 Jul 30

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Trichosporon
Textiles
Biodegradation
Gentian Violet
biodegradation
dye
Coloring Agents
Carbon
Dyes
Organic carbon
total organic carbon
malachite
Sorghum
phytotoxicity
Fourier Transform Infrared Spectroscopy
sorghum
NAD
Toxicity
Nitrogen
Enzymes

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Saratale, R. G. ; Saratale, G. D. ; Chang, Jo-Shu ; Govindwar, S. P. / Decolorization and biodegradation of textile dye Navy blue HER by Trichosporon beigelii NCIM-3326. In: Journal of Hazardous Materials. 2009 ; Vol. 166, No. 2-3. pp. 1421-1428.
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Decolorization and biodegradation of textile dye Navy blue HER by Trichosporon beigelii NCIM-3326. / Saratale, R. G.; Saratale, G. D.; Chang, Jo-Shu; Govindwar, S. P.

In: Journal of Hazardous Materials, Vol. 166, No. 2-3, 30.07.2009, p. 1421-1428.

Research output: Contribution to journalArticle

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