Process for the production of single cell protein and amino acid

Details Process for the production of single cell protein and amino acid Process for the production of single cell protein and amino acid

1976-08-30

1978-08-01

Penland, R. B.

Textiles: fiber preparation

195 47, 195 96, 195112, 195 32, C12B 100, C12D 1306

Patent

active

041041240

ABSTRACT:
A process for the production, by spontaneous or induced mutations from a parent microorganism of the genus Cellulomonas (ATCC-21399), of selected mutants which have the ability to excrete L-glutamic acid or L-lysine, or both, inclusive particularly of certain of the mutant strains produced by the mutagenesis, to wit: Cellulomonas sp. ATCC-21399 strain LC-10, Cellulomonas sp. ATCC-21399 strain A.sup.r -1, and Cellulomonas sp ATCC-21399 strain A.sup.r -156. In a preferred process comestible, digestible protein is produced from these strains in an aqueous culture medium, or broth, which contains an assimilable source of carbon, particularly cellulose, nitrogen and mineral nutrients. The mutant strains are comparable with the parent organism in cellulolytic activity and growth rate, but the nutritional requirements, notably the need of a yeast extract, are far less exacting than for the parent microorganism, or microorganisms.

REFERENCES:
patent: 3308035 (1967-03-01), Douros
patent: 3761355 (1973-09-01), Callihan et al.
Mandels et al., "Enhanced Cellulose Production by a Mutant of Trichoderma viride", Applied Microbiology Jan. 1971, pp. 152-154.
Han et al., "Single Cell Protein from Cellulosic Wastes", Food Technology vol. 25, 1971 pp. 32-35 & 56.

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