Production of L-Talitol from L-Psicose by Metschnikowia koreensis LA1 Isolated from Soy Sauce Mash(BREWING AND FOOD TECHNOLOGY)
スポンサーリンク
概要
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A strain LA1 that can convert L-psicose to L-talitol was isolated from soy sauce mash and identified as Metschnikowia koreensis. The cells grown on L-arabitol were found to have relatively high conversion potential. Addition of D-sorbitol to the reaction mixture considerably accelerated the conversion rate of L-psicose to L-talitol. During the conversion reaction, D-sorbitol was added to the reaction mixture at 12-h intervals to maintain the concentration of D-sorbitol at 1.0%. The final conversion ratios were 81.4%, 75.2%, 73.0%, 60.4% and 43.5% using washed cells when the concentrations of L-psicose were 0.5%, 1.0%, 2.0%, 3.0% and 5.0%, respectively. The product from L-psicose was identified as L-talitol by HPLC analysis, and infrared spectroscopy, optical rotation and melting point measurements.
- 社団法人日本生物工学会の論文
- 2005-09-25
著者
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Izumori Ken
Rare Sugar Research Center Faculty Of Agriculture Kagawa University
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Izumori Ken
Dep. Of Bioresource Sci. Fac. Of Agriculture Kagawa Univ.
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Izumori Ken
Department Of Biochemistry And Food Sciences Faculty Of Agriculture Kagawa University
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SASAHARA HIROYUKI
Kagawa Prefectural Fermentation and Food Experimental Station
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Izumori Ken
Rare Sugar Res. Center Kagawa Univ.
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Izumori Ken
Department Of Biochemistry And Food Science Faculty Of Agriculture Kanagawa University
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Izumori Ken
Department Of Bioresource Science Faculty Of Agriculture Kagawa University
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Sasahara Hiroyuki
Kagawa Prefectural Industrial Technol. Center Fermentation And Food Res. Branch
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