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IMMOBILISIERTE SYSTEME FUR DIE HERSTELLUNG VON MILCHSÄURE
Hartmeier, W. Rüsch, G. Sieger, C. Kempken, R.
Hartmeier, W.
Rüsch, G.
Sieger, C.
Kempken, R.
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Issue Date
1989
Submitted date
2023-10-04
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Abstract
Principles of cell immobilization and extractive bioconversion were introduced into the classical process of lactic acid fermentation. Lactobacillus bulgaricus was used in a column reactor filled with porous rings of sintered glass as carrier material. In continuous operation a volumetric productivity of 8.7 g/I-h was obtained. Similar trials with Lactobacillus delbrickii adhering to porous keramicsled to a productivity of up to 17 g/Ih. A flocculent Lactobacillus Species, newly isolated from nature, was applied in a continuous upflow-tower reactor without any carrier material. L(+)-lactic acid resulted from glucose and lactose with a productivity of 6.0 g/I-h and a dilution rate of 2.0 hl. To eliminate product inhibition, basic data of an extractive bioconversion of sugar to lactic acid were evaluated and a concept of continuous lactic acid production including immobilized cells and extraction is presented.
Citation
Enzyme in der Lebensmitteltechnologie, 1989, 29 -38
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Type
Book chapter
conference paper
conference paper
Language
de
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Series/Report no.
GBF Monographien, Band 11
ISSN
0930-4320
EISSN
ISBN
3-527-27877-X
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Attribution-NonCommercial-ShareAlike 4.0 International