Butyric acid production with Clostridium tyrobutyricum immobilised to PVA gel

被引：8

作者：

Rebros, Martin ^{[1
]}

Dolejs, Igor ^{[1
]}

Stloukal, Radek ^{[2
]}

Rosenberg, Michal ^{[1
]}

机构：

[1] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Inst Biotechnol, Radlinskeho 9, Bratislava 81237, Slovakia

[2] LentiKats As, Vinici 83, Straz Pod Ralskem 47127, Czech Republic

来源：

PROCESS BIOCHEMISTRY | 2016年 / 51卷 / 06期

关键词：

Clostridium tyrobutyricum; Butyric acid; Immobilisation; LentiKat (R); FIBROUS-BED BIOREACTOR; ZYMOMONAS-MOBILIS; FERMENTATION; HYDROLYSATE; ENTRAPMENT; GLUCOSE; XYLOSE;

D O I：

10.1016/j.procbio.2016.03.003

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Clostridium tyrobutyricurn was entrapped into lens-shaped polyvinyl alcohol particles (LentiKats (R)). Immobilised cells were propagated in series of repeated batches and reached average productivity of 1.74 g/L h and yield of 0.44 g/g during 31 repetitions with glucose as an initial substrate, which was 5 times higher productivity compared with a free cell system under the same conditions. Immobilised cells were successfully applied for more than 71 repeated batches and demonstrated remarkable process stability. Application of immobilised cells to a continuous system resulted in 5.8 times higher productivity compared with free cells, with 6.8 g/L of butyric acid and residual glucose of 5.8 g/L. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：704 / 708

页数：5

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