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Abstract

Method for digesting yeast, in particular brewer's yeast, for the isolation of proteins and saccharides comprising the steps:

a) Providing a yeast suspension, in particular a brewer's yeast suspension;b) Physical digestion of the yeast in the yeast suspension;c) Microfiltration of the digested yeast suspension from step b);d) Ultrafiltration of the permeate of the microfiltration from step c) wherein a phase with proteins as the main solid component is separated as the retentate of the ultrafiltration;e) Treating the retentate of the microfiltration from step c) with a protease under basic conditions and subsequently separating a phase with mannan as the main solid component, in particular by filtration and/or centrifugation;f) treating the phase retained in step e) successively first at basic and then at acidic conditions and subsequently separating a phase with glucan as the main solid component, in particular by filtration and/or centrifugation.

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First Claim