Production and utilization of lactase

Details Production and utilization of lactase Production and utilization of lactase

1975-10-28

1977-02-08

Monacell, A. Louis

Food or edible material: processes, compositions, and products

Fermentation processes

Of milk or milk product

195 31R, 195 62, 195 66R, 195111, 426 42, C12D 1310, A23C 912, A23C 2100

Patent

active

040072835

ABSTRACT:
Thermostable lactase produced by growth of thermophilic fungi, harvesting resulting mycelium, separating lactase from mycelium by radical rupture of cell structure or by subjecting cell structure to milder treatment which does not separate lactase from the structure, and separating cell debris. Resulting lactase has high degree of activity and is thermostable such that it can be used at relatively high temperatures, e.g. 60.degree. C., and at acid pH to catalyze hydrolysis of lactose to glucose and galactose.

REFERENCES:
patent: 3592739 (1971-07-01), Sternberg
patent: 3816259 (1974-06-01), Collinge et al.
Sivers et al., "B-Galactosidase Activity of Microscopic Fungi," Chemical Abstracts, vol. 79, p. 212, abs. No. 102573n, (1973).

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