Enzymatic hydrolysis of cellulose

Details Enzymatic hydrolysis of cellulose Enzymatic hydrolysis of cellulose

1975-09-18

1976-11-09

Monacell, A. Louis

Textiles: fiber preparation

C12D 1302

Patent

active

039909450

ABSTRACT:
In the enzymatic hydrolysis of cellulose to obtain water-soluble sugars, the enzyme source is the aqueous culture mass obtained in an enzyme preparation step by cultivating in an aqueous nutrient medium in the presence of a cellulosic material a cellulolytic microorganism capable of elaborating a cellulolytic enzyme complex which can degrade native cellulose. No separation is made of any component of the culture mass. Such use of the culture mass as the enzyme source not only eliminates processing steps to separate the enzyme, but also results in increased hydrolysis rates and yields of the desired water-soluble sugars in the hydrolysis of cellulose.

REFERENCES:
patent: 3462275 (1969-08-01), Bellamy
patent: 3734831 (1973-05-01), Hulme
patent: 3764475 (1973-10-01), Mandels et al.
patent: 3812013 (1974-05-01), Bellamy et al.
Griffin et al., "Cellulase Production by Trichoderma Viride on Feedlot Waste", Applied Microbiology, vol. 27, No. 6, pp. 1061-1066 (1974).
Toyama et al., "Utilization of Cellulosic Wastes by Trichoderma Viride", Proc. IVIFS: Ferment. Technol. Today, pp. 743-757, (1972).
Mandels et al., "Enzymatic Hydrolysis of Waste Cellulose", Biotechnology and Bioengineering, vol. 16, pp. 1471-1493, (1974).

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