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KMID : 1094720150200010100
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Biotechnology and Bioprocess Engineering
2015 Volume.20 No. 1 p.100 ~ p.108
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Naturalized dyes ? A way to increase susceptibility for microbiological degradation
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Piotrowska Małgorzata
Szymczak Agnieszka
Wojciechowski Krzysztof
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Abstract
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Aim of the study was the determination of the influence of the D-gluconic acid and its acetyl derivative (2,3,4,5,6-penta-O-acetyl-D-gluconic acid) on microbiological degradation in aerobic conditions of azo dyes (Schaffer salt and I acid derivatives). The rest of the aldonic acid and its acetylated form in the structure of azo dye play a role of an additional source of carbon for the used microorganisms. To investigations were used fungus: Aspergillus niger, Geotrichum condidum and bacterias: Pseudomonas fluorescens, Streptomyces roseochromogens. From all tested microorganisms only Aspergillus niger and Pseudomonas fluorescens show sufficient ability to decomposition of tested dyes during research carried out in shaken culture.
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KEYWORD
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azo dyes, environment, health, D-gluconic acid, microorganisms, dye degradation
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