Mechanism of Navitan Fast Blue S5R degradation by Pseudomonas aeruginosa

The mechanism by which Pseudomonas aeruginosa degraded Navitan Fast Blue S5R was studied using TLC, FTIR, HPLC and GC–MS analysis. Degradation started with the reduction of azo bonds producing metanilic acid and peri acid whose presence was confirmed by HPLC. Aniline, the desulfonated product from m...

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Veröffentlicht in:	Chemosphere (Oxford) 2004-10, Vol.57 (3), p.165-169
Hauptverfasser:	Valli Nachiyar, C, Suseela Rajakumar, G
Format:	Artikel
Sprache:	eng
Schlagworte:	Amidines - chemistry Amidines - metabolism Applied sciences Aromatic amines Azo dye Biodegradation, Environmental Biological and medical sciences Biological treatment of waters Biotechnology Chromatography, High Pressure Liquid Chromatography, Thin Layer Environment and pollution Exact sciences and technology Fluorescent Dyes - chemistry Fluorescent Dyes - metabolism Fundamental and applied biological sciences. Psychology Gas Chromatography-Mass Spectrometry Industrial applications and implications. Economical aspects Industrial wastewaters Pathway Pollution Pseudomonas aeruginosa Pseudomonas aeruginosa - metabolism Salicylic acid Spectroscopy, Fourier Transform Infrared Wastewaters Water treatment and pollution β-Ketoadipic acid
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Zusammenfassung:	The mechanism by which Pseudomonas aeruginosa degraded Navitan Fast Blue S5R was studied using TLC, FTIR, HPLC and GC–MS analysis. Degradation started with the reduction of azo bonds producing metanilic acid and peri acid whose presence was confirmed by HPLC. Aniline, the desulfonated product from metanilic acid and salicylic acid could also be detected by HPLC. GC–MS analysis of the degradation products confirmed the presence of aniline and revealed the presence of β-ketoadipic acid. Based on these products a probable pathway has been proposed for the degradation of Navitan Fast Blue S5R by Pseudomonas aeruginosa.
ISSN:	0045-6535 1879-1298
DOI:	10.1016/j.chemosphere.2004.05.030