Biotechnological production of L(+)-lactic acid from wood hydrolyzate by batch fermentation of Enterococcus faecalis

被引：60

作者：

Wee, YJ ^{[1
]}

Yun, JS ^{[1
]}

Park, DH ^{[1
]}

Ryu, HW ^{[1
]}

机构：

[1] Chonnam Natl Univ, Inst Bioind Technol, Fac Appl Chem Engn, Kwangju 500757, South Korea

来源：

BIOTECHNOLOGY LETTERS | 2004年 / 26卷 / 01期

关键词：

adaptation; Enterococcus faecalis; fermentation; lactic acid; wood hydrolyzate;

D O I：

10.1023/B:BILE.0000009464.23026.e0

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The inhibition of lactic acid fermentation by wood hydrolyzate was decreased (approx. 20%) by adaptation of Enterococcus faecalis RKY1 to wood hydrolyzate-basedmedium whereby lactic acid productivity and cell growth were enhanced by 0.5 g l(-1) h(-1) and 2.1 g l(-1), respectively. When the diluted or concentrated wood hydrolyzate ( equivalent to 25 - 100 g glucose l(-1)) was supplemented with 15 g yeast extract l(-1), 24 - 93 g lactic acid l(-1) was produced at a rate between 1.7 g l(-1) h(-1) and 3.2 g l(-1) h(-1).

引用

页码：71 / 74

页数：4

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