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Does Hansenula Polymorpha CBC 4732 Ferment Sucrose Under Oxygen-Limited Conditions? Comparison of Durham test and Chemostat Experiments (CROSBI ID 486088)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Kaliterna, Janko ; Mihaljević, Krešo ; Novak, Srđan Does Hansenula Polymorpha CBC 4732 Ferment Sucrose Under Oxygen-Limited Conditions? Comparison of Durham test and Chemostat Experiments // Biotechnology and Environment / Kniewald, Zlatko (ur.). Zagreb: Hrvatsko Društvo za Biotehnologiju, 2001. str. 52-x

Podaci o odgovornosti

Kaliterna, Janko ; Mihaljević, Krešo ; Novak, Srđan

engleski

Does Hansenula Polymorpha CBC 4732 Ferment Sucrose Under Oxygen-Limited Conditions? Comparison of Durham test and Chemostat Experiments

A facultatively fermentative yeast Hansenulta polymorpha CBS 4732 is referred in literature as a yeast that does not ferment disaccharides in oxygen-limited conditions. Results of Durham test confirm literature data showing that H. polymorpha does not ferment sucrose but ferment glucose as control sugar intensively producing carbon dioxide bubbles after three day cultivation. In contrary, growth of H. Polymorpha in chemostat under oxygen limited conditions resulted with significant ethanol production. An active fermentative metabolism on sucrose in such controlled conditions is in contradiction with results of Durham test and literature data. In this work reasons for unreliability of Durham test are discussed and alternative methods for estimation of fermentative ability of yeasts are recommended.

H. polymorpha; fermentation ability; Durham test; chemostat

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Podaci o prilogu

52-x.

2001.

objavljeno

Podaci o matičnoj publikaciji

Biotechnology and Environment

Kniewald, Zlatko

Zagreb: Hrvatsko Društvo za Biotehnologiju

Podaci o skupu

Biotechnology and Environment

poster

19.02.2001-22.02.2001

Zagreb, Hrvatska

Povezanost rada

Prehrambena tehnologija, Biotehnologija