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Influence of sulphur dioxide on the fermentation of sulphite spent liquor

✍ Scribed by K.-H. Mohrmann; K. Fischer

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
477 KB
Volume
12
Category
Article
ISSN
0138-4988

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✦ Synopsis

In fodder yeast production from sulphite spent liquor, sulphur dioxide is well-known as a yeast poison. The present paper deals with the detailed influence of sulphur dioxide. The experimental work was done in a laboratory fermenter under technical conditions. A decrease in biomass yield, and an increase in oxygen consumption, caused by increasing carbon dioxide production, were found. During the fermentation, there is no destruction of the carbonyl-bisulphite adduct to be observed. Sulphur dioxide has no influence on the crude protein content of yeast cells, and there is also no influence on the morphology of cells.

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