| THE EFFECT OF TEMPERATURE ON L-LACTIC ACID PRODUCTION AND METABOLITE DISTRIBUTION OF Lactobacillus casei. | |
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MedLine Citation:
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PMID: 23030467 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The effect of temperature on the growth and L-lactic acid production of Lactobacillus casei G-03 was investigated in a 7-L bioreactor. It was found that the maximum specific growth rate (0.27 hr(-1)) and L-lactic acid concentration (160.2 g L(-1)) were obtained at a temperature of 41°C. Meanwhile, the maximum L-lactic acid yield, productivity, and dry cell weight were up to 94.1%, 4.44 g L(-1) hr(-1), and 4.30 g L(-1), respectively. At lower or higher temperature, the Lactobacillus casei G-03 showed lower acid production and biomass. Moreover, the main metabolite distribution of strain G-03 response to variations in temperatures was studied. The results suggested that temperature has a remarkable effect on metabolite distribution, and the maximum carbon flux toward lactic acid at the pyruvate node was obtained at 41°C, which had the minimum carbon flux toward acetic acid. |
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Authors:
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Hao Qin; Sai-Sai Gong; Xiang-Yang Ge; Wei-Guo Zhang |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Preparative biochemistry & biotechnology Volume: 42 ISSN: 1532-2297 ISO Abbreviation: Prep. Biochem. Biotechnol. Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-10-03 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9607037 Medline TA: Prep Biochem Biotechnol Country: England |
Other Details:
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Languages: eng Pagination: 564-73 Citation Subset: IM |
Affiliation:
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a The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University , Wuxi , JiangSu Province , P. R. China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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