发酵工艺参数筛选的Plackett-Burman设计及其对L-蛋氨酸生产的影响

Q3 Pharmacology, Toxicology and Pharmaceutics
A. Venkatanarayana, Venkateswarulu Tc, .A RanganadhaReddy, A RangaRao, K AbrahamPeele, D JohnBabu, S AshaAsha, B SumalathaSumalatha, P SudhakarSudhakar
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引用次数: 1

摘要

摘要本研究通过Plackett-Burman设计筛选不同营养和物性参数,开发出经济型发酵培养基工艺,使谷氨酸棒状杆菌最大限度地生产l -蛋氨酸。以车前草为碳源、花生为氮源、CaCO3、K2HPO4、KH2PO4、生物素、MgSO4.7H2O、接种量、搅拌速度、培养基/发酵罐体积比、pH等11个工艺变量进行筛选实验。PBD模型结果表明,车前草为碳源、花生为氮源、CaCO3、MgSO4.7H2O和KH2PO4这7个变量对l -蛋氨酸产量有显著影响,其余6个变量对l -蛋氨酸产量影响不大。方差分析(ANOVA)的R2值(0.99)提示用于反应预测的模型具有显著性(p<0.05)。与未优化培养基相比,优化培养基的l -蛋氨酸产量提高了24%,l -蛋氨酸产量为5.6 g/l。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Plackett-Burman design for screening of fermentation process parameters and their effects on L-methionine production
Plackett-Burman design for L-methionine production Abstract In the present study, economical fermentation medium process was developed to achieve the maximum production of L-methionine by Corynebacterium glutamicum through screening of different nutritional and physical parameters by Plackett-Burman design. A total of eleven process variables such as plantain as carbon source, groundnut as nitrogen source, CaCO3, K2HPO4, KH2PO4, biotin, MgSO4.7H2O, inoculum size, agitation speed, volume ratio of medium/fermenter and pH were used for screening experiments. The PBD model results suggested that seven variables namely plantain as carbon source, groundnut as nitrogen source, CaCO3, MgSO4.7H2O and KH2PO4 had shown a significant effect on L-methionine production, while remaining six variables didn’t show a much effect on Lmethionine production. The R2 value (0.99) of analysis of variance (ANOVA) recommended that the model used for response prediction is significant (p<0.05). In comparison with the unoptimized medium, 24% higher L-methionine production was obtained from the optimized medium and L-methionine production was found to be 5.6 g/l.
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来源期刊
Current Trends in Biotechnology and Pharmacy
Current Trends in Biotechnology and Pharmacy Pharmacology, Toxicology and Pharmaceutics-Pharmaceutical Science
CiteScore
0.70
自引率
0.00%
发文量
0
期刊介绍: The Association of Biotechnology and Pharmacy (ABAP) will be useful to form a forum for scientists so that they can bring together to discuss and find scientific solutions to the problems of society. The annual meetings will help the members to share their knowledge and publish their research knowledge particularly by members and fellows of the Association and special care will be taken to provide an opportunity for young scientists. Besides this the association is planned to organize symposia, seminars and workshops on current developments of Biotechnology and Pharmacy particularly on the subject of current scientific interest, and the proceedings of which will be published regularly. And in view of the vast development of science and to disseminate the problems in publication of research work, an international journal of Current Trends in Biotechnology and Pharmacy has been started by ABAP.
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