Method of producing acid urease and the use of the urease

Details Method of producing acid urease and the use of the urease Method of producing acid urease and the use of the urease

1988-02-03

1990-11-13

Weimar, Elizabeth C.

Chemistry: molecular biology and microbiology

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

Preparing nitrogen-containing organic compound

435228, 435853, 426 11, 426 12, C12P 1300, C12N 978, C12C 1100, C12G 100

Patent

active

049701533

ABSTRACT:
Lactobacillus fermentum TK 1214 produces an acid urease that is useful in decomposing urea that gives an objectionable taste when present in fermented foods. The urease produced has an optimum activity at a pH of 2.8-4.0 and at a temperature of about 60.degree. C. The fermented foods may be treated with either intact cells or a cell extract of the microorganism, either during fermentation of the foods or after fermentation has been completed.

REFERENCES:
patent: 4844911 (1989-07-01), Kakimoto et al.
Suzuki, K., et al., (1979), Appl. Environ. Microbiol., 37(3) 379-382.
Chemical Abstract, vol. 87, No. 19, Nov. 7, 1977, p. 275, No. 148420d, Columbus, Ohio U.S.A.; Suzuki et al.: "Urease Activity of Intestinal Anaerobes". & Igaku to Seibutsugaku 1976, 93(4), 359-63, *Whole Abstract*.
Chemical Abstracts, vol. 90, No. 23, Jun. 4, 1979, p. 310, No. 182890d, Columbus, Ohio U.S.A.; K. Suzuki et al.: "Urease-Producing Species of Intestinal Anaerobes and their Activities", *Whole Abstract*.
Patent Abstracts of Japan, vol. 1, No. 140, p. 3179 C 77, Nov. 16, 1977; & JP-A-52 90 698 (Kokuzeicho) 30-07-1977.
Chemical Abstracts, vol. 82, No. 3, Jan. 20, 1975, p. 377, No. 15260b, Columbus, Ohio, U.S.A.; & JP-A-74 18 238 (Sanraku-Ocean Co., Ltd.) 08-05-1974 *Abstract*.

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