Process for producing L-alanine by fermentation with arthrobacter
AssigneeKyowa Hakko Kogyo Co., Ltd.
InventorsRyoichi Katsumata, Shinichi Hashimoto, Isao Kawamoto, Makoto Suzuki, Hajime Yoshida, Hiroshi Hagino, Kiyoshi Nakayama
Life of this patent
Estimating the term…
Abstract
A process for producing L-alanine, which comprises culturing in a medium a microorganism belonging to the genus Arthrobacter which has L-alanine dehydrogenase activity, but little or no alanine racemase activity, and which is capable of producing L-alanine; allowing L-alanine to accumulate in the culture; and recovering L-alanine from the culture.
Claims1
A process for the production of L-alanine, comprising culturing in a nutrient culture medium a microorganism selected from the group consisting of Arthrobacter sp. LAP7 FERM BP-3645 and Arthrobacter ureafaciens AU-7 FERM BP-3646;
- allowing L-alanine to accumulate in the culture;
- and recovering L-alanine from the culture.
Dependencies are inferred from the claim text.