A higher optical purity of l-lastic acid produced in Streptococcus faecalis |
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| Authors: | Hitomi Ohara Toshiomi Yoshida |
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| Institution: | (1) Central Research Laboratory, Shimadzu Co., 1 Nishinokyo-kuwabaracho, 604 Nakagyo-ku, Kyoto, Japan;(2) International Center of Cooperative Research in Biotechnology, Faculty of Engineering, Osaka University, 2-1 Yamadaoka, 565 Suita-shi, Osaka, Japan |
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| Abstract: | In fermentation of lactic acid with Streptococcus faecalis, which produces mainly l-lactic acid, the optical purity of the l-lactic acid produced was improved from 97.1% to 99.8% by the addition of 0.5 g/l of diammonium hydrogen phosphate. The fermentation time was reduced from 130 h to 47 h b9y the improved method.
Correspondence to: H. Ohara |
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