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Glycerol/Glucose Co-Fermentation: One More Proficient Process to Produce Propionic Acid by Propionibacterium acidipropionici
Liu, Yin1,2; Zhang, Yong-Guang1; Zhang, Ru-Bing1; Zhang, Fan1; Zhu, Jianhang1
2011
发表期刊CURRENT MICROBIOLOGY
卷号62期号:1页码:152-158
摘要Cosubstrates fermentation is such an effective strategy for increasing subject metabolic products that it could be available and studied in propionic acid production, using glycerol and glucose as carbon resources. The effects of glycerol, glucose, and their mixtures on the propionic acid production by Propionibacterium acidipropionici CGMCC1.2225 (ATCC4965) were studied, with the aim of improving the efficiency of propionic acid production. The propionic acid yield from substrate was improved from 0.475 and 0.303 g g(-1) with glycerol and glucose alone, respectively, to 0.572 g g(-1) with co-fermentation of a glycerol/glucose mixture of 4/1 (mol/mol). The maximal propionic acid and substrate conversion rate were 21.9 g l(-1) and 57.2% (w/w), respectively, both significantly higher than for a sole carbon source. Under optimized conditions of fed-batch fermentation, the maximal propionic acid yield and substrate conversion efficiency were 29.2 g l(-1) and 54.4% (w/w), respectively. These results showed that glycerol/glucose co-fermentation could serve as an excellent alternative to conventional propionic acid fermentation.; Cosubstrates fermentation is such an effective strategy for increasing subject metabolic products that it could be available and studied in propionic acid production, using glycerol and glucose as carbon resources. The effects of glycerol, glucose, and their mixtures on the propionic acid production by Propionibacterium acidipropionici CGMCC1.2225 (ATCC4965) were studied, with the aim of improving the efficiency of propionic acid production. The propionic acid yield from substrate was improved from 0.475 and 0.303 g g(-1) with glycerol and glucose alone, respectively, to 0.572 g g(-1) with co-fermentation of a glycerol/glucose mixture of 4/1 (mol/mol). The maximal propionic acid and substrate conversion rate were 21.9 g l(-1) and 57.2% (w/w), respectively, both significantly higher than for a sole carbon source. Under optimized conditions of fed-batch fermentation, the maximal propionic acid yield and substrate conversion efficiency were 29.2 g l(-1) and 54.4% (w/w), respectively. These results showed that glycerol/glucose co-fermentation could serve as an excellent alternative to conventional propionic acid fermentation.
文章类型Article
学科领域生物基化学品
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1007/s00284-010-9683-5
关键词[WOS]BATCH FERMENTATION ; ESCHERICHIA-COLI ; CARBON-SOURCES ; BACTERIA ; GLUCOSE ; DEHYDROGENASE ; EQUATIONS ; LACTATE
收录类别SCI
语种英语
WOS研究方向Microbiology
WOS类目Microbiology
WOS记录号WOS:000285927200023
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/1108
专题生物基材料组群
作者单位1.Chinese Acad Sci, Key Lab Biofuel, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Shandong, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Liu, Yin,Zhang, Yong-Guang,Zhang, Ru-Bing,et al. Glycerol/Glucose Co-Fermentation: One More Proficient Process to Produce Propionic Acid by Propionibacterium acidipropionici[J]. CURRENT MICROBIOLOGY,2011,62(1):152-158.
APA Liu, Yin,Zhang, Yong-Guang,Zhang, Ru-Bing,Zhang, Fan,&Zhu, Jianhang.(2011).Glycerol/Glucose Co-Fermentation: One More Proficient Process to Produce Propionic Acid by Propionibacterium acidipropionici.CURRENT MICROBIOLOGY,62(1),152-158.
MLA Liu, Yin,et al."Glycerol/Glucose Co-Fermentation: One More Proficient Process to Produce Propionic Acid by Propionibacterium acidipropionici".CURRENT MICROBIOLOGY 62.1(2011):152-158.
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