Co-metabolism of citrate and lactose by Leuconostoc mesenteroides subsp. cremoris |
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| Affiliation: | 1. Department of Food and Nutrition, Chung-Ang University, 4726 Seodongdaero, Daedeok-myeon, Anseong-si, Gyeonggi-do 17546, Republic of Korea;2. School of Bioresources and Bioscience, Chung-Ang University, 4726 Seodongdaero, Daedeok-myeon, Anseong-si, Gyeonggi-do 17546, Republic of Korea;3. Department of Food and Human Health Sciences, Graduate School of Human Life Science, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan. |
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| Abstract: | Citrate stimulated growth rate, increased the specific lactose consumption rate and enhanced the molar growth yield of Leuconostoc mesenteroides subsp. cremoris growing on lactose at pH 5.2 or 6.2 and at 22 or 30°C. As soon as citrate utilization began, diacetyl and acetoin were produced: 2,3-butylene glycol appeared later while acetoin decreased. |
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