Process for the production of L-glutamic acid
AssigneeKyowa Hakko Kogyo Co., Ltd.
InventorsKiyoshi Nakayama, Mamoru Kobata, Yoshitake Tanaka, Tadaaki Nomura, Ryoichi Katsumata
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Abstract
High yields of L-glutamic acid are produced by culturing mutant strains of microorganisms of the genera Pseudomonas and Protaminobacter in a culture medium containing methanol as the principal source of assimilable carbon. L-glutamic acid is accumulated in the culture liquor and is isolated therefrom.
Claims6
A process for producing L-glutamic acid which comprises culturing a mutant strain derived from a microorganism having an ability to utilize methanol and an ability to produce L-glutamic acid and belonging to a genus selected from Pseudomonas and Protaminobacter, said mutant having at least one property selected from a) a requirement for L-methionine, b) a requirement for L-isoleucine, c) a requirement for L-phenylalanine and d) a resistance to DL-lysine hydroxomate, in a medium containing methanol as the principal carbon source, accumulating L-glutamic acid in the culture liquor and recovering L-glutamic acid therefrom.
Dependencies are inferred from the claim text.