Patent · US Expired

Thermal stable beta-galactosidase

US4332895A · kind A · utility

4Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 1979
Grant dateJun 1, 1982
Priority date
Expiry dateJun 5, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12Y302/01023
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A thermal stable beta-galactosidase enzyme is produced from new strains of Bacillus stearothermophilus. The beta-galactosidase is suitable for hydrolysis of lactose at temperatures of at least 55.degree. C. and is especially suitable for use at temperatures of at least 65.degree. C. For hydrolysis of lactose, the beta-galactosidase enzyme may be in the form of substantially purified enzyme that has been immobilized or immobilized whole cells containing beta-galactosidase enzyme.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.