Bioreactor with immobilized lactic acid bacteria and the use thereof
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United States of America Patent
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Jun 3, 1997
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N/A
app pub date -
Nov 24, 1993
filing date -
Nov 25, 1992
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Expired
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Abstract
The invention relates to a bioreactor with immobilized lactic acid bacteria which is characterized in that the bacteria are fixed on the surface of a substantially non-compressible carrier which is composed of a continuous, porous matrix or of dimpled or reticular porous particles, the matrix or the particles having a structure of a loosely associated plurality of microparticles or microfibers which are bound together chemically, adhesively or mechanically at least at some contact points between the individual microparticles or microfibers. Preferably the microparticles or microfibers comprise or consist of a material, preferably a resin, having anion exchanger capability. A preferred embodiment of the carrier includes DEAE-cellulose, the microparticles and microfibers being agglomerated with polystyrene.
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