Method of preparing high-activity, low-bacteria, urease enzyme

Details Method of preparing high-activity, low-bacteria, urease enzyme Method of preparing high-activity, low-bacteria, urease enzyme

1980-03-19

1982-05-18

Shapiro, Lionel M.

Chemistry: molecular biology and microbiology

Treatment of micro-organisms or enzymes with electrical or...

Modification of viruses

435228, 422 22, C12N 1300, C12N 980

Patent

active

043306268

ABSTRACT:
In a method of preparing the enzyme, urease, from jack beans, wherein the jack beans are reduced to a fine particle size and the fine particles so reduced constitute urease, the fine jack-bean particles thereafter irradiated for a period of time, the irradiated jack beans then recovered and employed as a source of urease enzyme, the improvement which comprises: irradiating the whole jack beans prior to any size reduction of the seeds of the jack beans, to provide a urease derived from the white seeds of the irradiated whole jack beans having an improved activity level.

REFERENCES:
patent: 3249513 (1966-05-01), Babson
patent: 4193845 (1980-03-01), Kaetsu et al.

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