Processes for the production of protein-containing nutriments an

Details Processes for the production of protein-containing nutriments an Processes for the production of protein-containing nutriments an

1975-06-09

1976-07-06

Monacell, A. Louis

Food or edible material: processes, compositions, and products

Fermentation processes

Of milk or milk product

195 82, A23C 2100

Patent

active

039682579

ABSTRACT:
Processes for the production of essentially solid nutriments and fodders containing a high content of proteins by the cultivation of a yeast on a liquid culture medium consisting of whey containing at least a substantial portion of its original soluble proteins and thereafter separating from the resulting brew the solids consisting of yeast cells and the original soluble proteins or products of the original soluble proteins by means of an ultrafilter provided with one or more membranes that are essentially impervious to soluble proteins and subsequently drying the said solids.
The preliminary separation of the soluble proteins from the whey by centrifugal separation or by ultrafiltration, as described in the prior art, is avoided. In such prior ultrafiltration processes, the membranes of the ultrafilter become clogged with the soluble proteins, thereby retarding and ultimately stopping the filtration. The brew that is produced in accordance with the processes of the present invention which contains yeast cells together with the original soluble proteins or products thereof can be separated in an ultrafilter at a faster rate than the soluble proteins could have been preliminarily separated from the whey and the ultrafilter membranes do not become clogged with the solids that are thus separated.

REFERENCES:
patent: 2809113 (1957-10-01), Stimpson et al.
patent: 3751338 (1973-08-01), Farris
Michaels "New Separation Technique for the CPI" Chem. Eng. Progress vol. 64 No. 12 1968 pp. 31-43.

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