Chemistry: molecular biology and microbiology – Micro-organism – per se ; compositions thereof; proces of... – Fungi
Patent
1993-07-06
1995-06-27
Knode, Marian C.
Chemistry: molecular biology and microbiology
Micro-organism, per se ; compositions thereof; proces of...
Fungi
426 62, C12N 116, A21D 804
Patent
active
054279437
ABSTRACT:
A novel high density liquid or paste yeast preparation, which comprises approximately 1-20% (w/w) of a polyol selected from propylene glycol, glycerol, nonfermentable mono- or oligosaccharides or sugar alcohols such as xylose, mannitol and sorbitol, soluble oligo- or polymeric carbohydrates such as partially hydrolysed starch, cellulose, agarose, or polyethylene glycol, or mixtures thereof, and fresh yeast. The high density yeast preparation has a density of more than 800 g yeast (of dry matter 27-29 %) per liter of preparation, and the concentration of the polyol in the extracellular liquid is 5-50 % (w/v). The preparation has an improved capacity for retaining its activity, dissolving instantly, and for being easily batched. It is uniformily suspendable and tolerant of repeated freezing and thawing. The liquid high density yeast preparation has a viscosity of less than 200 centiPoise (cP) at 20.degree. C. Methods for producing the high density yeast preparation, as well as for the preparation of improved quality baker's, brewer's, distiller's and wine yeast are disclosed.
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Alko Ltd., The Finnish State Alcohol Company
Dadio Susan M.
Knode Marian C.
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