Lactose hydrolysis by mutant Streptococcus thermophilus

Details Lactose hydrolysis by mutant Streptococcus thermophilus Lactose hydrolysis by mutant Streptococcus thermophilus

1991-09-12

1993-03-30

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing saccharide radical

426 42, 426 43, 435105, 435139, 4352533, 4352534, 435885, C12R 146, C12P 1914

Patent

active

051983516

ABSTRACT:
Mutant strains of Streptococcus thermophilus having defective lactose transport systems having a phenotype, sucS.sup.+ and gluS.sup.-, lacS.sup.- .beta.gal.sup.+ are effective for use in processes where the hydrolysis of lactose is sought. Thermostability of these strains as well as the .beta.-galactosidase produced allows lactose hydrolysis prior to and during pasteurization. These organisms provide the food industry with improved methods of making reduced lactose dairy products.

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patent: 4944952 (1990-07-01), Kobayashi et al.
Chem ABS 98:194783(z) (1983) Thomas et al. Abs of FEMS Microbiol. Lett 1983 (17) pp. 13-17.
Chem ABS 109:91492(v) Shchelokova et al Microbiol 2H, (Kiev) 1988 50(2) pp. 22-26.
Chem ABS 85:121969(m) O'Leary et al "Appl Environ Microbiol" (1976) 32(1) 89-94.

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