Batch and continuous production of propionic acid from whey permeate by Propionibacterium acidi-propionici in a three-electrode amperometric culture system

Schuppert, Beate; Schink, Bernhard; Trösch, Walter

Batch and continuous production of propionic acid from whey permeate by Propionibacterium acidi-propionici in a three-electrode amperometric culture system

Dateien

atch_and_continuous_production_of_propionic_acid_from_whey_permeate_by_Propionibacterium.pdfGröße: 539.4 KBDownloads: 540

Datum

1992

Autor:innen

Schuppert, Beate

Schink, Bernhard

Trösch, Walter

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Applied Microbiology and Biotechnology. 1992, 37(5), pp. 549-553. ISSN 0175-7598. eISSN 1432-0614. Available under: doi: 10.1007/BF00240723

Zusammenfassung

Growth of Propionibacterium acidi-propionici was studied on lactose as substrate and in acid whey permeate in a three-electrode poised-potential system with cobalt sepulchrate as artificial electron donor. In batch culture experiments in a stirred-tank reactor the substrate was fermented completely to propionic acid up to 6.5 g 1 1 lactose in a supplemented whey permeate medium. No acetic acid was produced during the growth of P. acidi-propionici. An electron flow of 80 100 mA was obtained and the electron balance was 101%. In continuously growing cultures with 3 g 1 1 of lactose as the substrate, propionate was formed as the only fermentation product up to a dilution rate (D) of 0.04 h 1. With D>0.04 h 1 the bacteria immobilized on the working electrode surface. It was examined whether an electron transfer occurred between the platinum working electrode and the immobilized cells.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Zitieren

ISO 690

SCHUPPERT, Beate, Bernhard SCHINK, Walter TRÖSCH, 1992. Batch and continuous production of propionic acid from whey permeate by Propionibacterium acidi-propionici in a three-electrode amperometric culture system. In: Applied Microbiology and Biotechnology. 1992, 37(5), pp. 549-553. ISSN 0175-7598. eISSN 1432-0614. Available under: doi: 10.1007/BF00240723

BibTex

@article{Schuppert1992Batch-7969,
  year={1992},
  doi={10.1007/BF00240723},
  title={Batch and continuous production of propionic acid from whey permeate by Propionibacterium acidi-propionici in a three-electrode amperometric culture system},
  number={5},
  volume={37},
  issn={0175-7598},
  journal={Applied Microbiology and Biotechnology},
  pages={549--553},
  author={Schuppert, Beate and Schink, Bernhard and Trösch, Walter}
}

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