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Analysis and behavior of colistin during anaerobic fermentation.
Riemenschneider, C; Zerr, W; Vater, N; Brunn, H; Mohring, S A I; Hamscher, G.
Afiliação
  • Riemenschneider C; Landesbetrieb Hessisches Landeslabor (LHL), Standort Kassel, Druseltalstraße 67, 34131 Kassel, Germany; Justus Liebig University Giessen, Institute of Food Chemistry and Food Biotechnology, Heinrich-Buff-Ring 58, 35392 Giessen, Germany.
  • Zerr W; LHL, Standort Bad Hersfeld, Schloss Eichhof, 36251 Bad Hersfeld, Germany.
  • Vater N; Landesbetrieb Hessisches Landeslabor (LHL), Standort Kassel, Druseltalstraße 67, 34131 Kassel, Germany.
  • Brunn H; LHL, Standort Giessen, Schubertstraße 60, 35392 Giessen, Germany.
  • Mohring SAI; Justus Liebig University Giessen, Institute of Food Chemistry and Food Biotechnology, Heinrich-Buff-Ring 58, 35392 Giessen, Germany.
  • Hamscher G; Justus Liebig University Giessen, Institute of Food Chemistry and Food Biotechnology, Heinrich-Buff-Ring 58, 35392 Giessen, Germany. Electronic address: Gerd.Hamscher@lcb.chemie.uni-giessen.de.
Bioresour Technol ; 170: 303-309, 2014 Oct.
Article em En | MEDLINE | ID: mdl-25151074
ABSTRACT
A new analytical method for the determination of colistin in fermenter samples was developed followed by a study on the behavior of this substance during anaerobic fermentation. Analysis of colistin A and B was carried out by liquid chromatography-tandem mass spectrometry. Separation of the analytes was performed on a Security Guard column (4×3mm). Fourteen fermentation tests in batch as well as in continuous reactors were carried out. After 44days of anaerobic digestion of cattle manure, initially spiked with 500mg/kg of colistin sulfate, a considerable decrease of the colistin concentration to less than 1mg/kg could be observed. Furthermore, the daily production of biogas and methane was measured. A correlation between gas production and colistin concentration could not be determined. However, an increase of 10% of the cumulative methane production was observed in those fermenters spiked with an initial bolus of 500mg/kg colistin.
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Colistina / Fermentação / Esterco / Metano Limite: Animals Idioma: En Ano de publicação: 2014 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Colistina / Fermentação / Esterco / Metano Limite: Animals Idioma: En Ano de publicação: 2014 Tipo de documento: Article