C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
195/34.9
C12N 1/16 (2006.01) C12C 11/09 (2006.01) C12G 1/022 (2006.01) C12N 11/16 (2006.01) C12N 11/18 (2006.01)
Patent
CA 1169373
ABSTRACT An improved coupled yeast-enzyme coimmobilisate is disclosed which results from the coupling in a jacket- like manner of one or more enzymes to the living fermen- table cells of a yeast. The cells are normally partially or entirely dehydrated and subsequently rohydrated by means of an aqueous enzyme solution. An enzyme preci- patating solution which does not inactivate the fermen- tative action of the yeast is employed to cause the enzymes to stick to the yeast cells, and, thereafter, a conventional cross-linking agent is employed to pro- duce firm bonding between the enzyme molecules and the yeast cells, thereby yielding the coimmobilisate of the invention. The process generally avoids the formation of large agglomerates. The coupled yeast-enzyme coimmobilisates disclosed are of use in the promotion of various biotechnical processes and are particularly valuable in wine produc- tion.
379191
Boehringer Ingelheim International Gmbh
Fetherstonhaugh & Co.
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