L(+)-lactic acid production by repeated batch culture of Rhizopus oryzae in air-lift bioreactor

被引:54
作者
Yin, PM
Yahiro, K
Ishigaki, T
Park, Y
Okabe, M
机构
[1] Shizuoka Univ, Fac Agr, Dept Appl Biol Chem, Biotechnol Lab, Shizuoka 422, Japan
[2] Gifu Univ, United Grad Sch Agr Sci, Gifu 50111, Japan
[3] Chikou Co Ltd, Dept Dev, Taito Ku, Tokyo, Japan
来源
JOURNAL OF FERMENTATION AND BIOENGINEERING | 1998年 / 85卷 / 01期
关键词
L(+)-lactic acid; air-lift bioreactor; repeated-batch culture; mycelial pellet; Rhizopus oryzae;
D O I
10.1016/S0922-338X(97)80361-3
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
L(+)-Lactic acid production using Rhizopus oryzae was investigated by varying the inoculated spore concentration in preculture medium. The spore concentration affected mycelial morphology from dispersed filamentous to pellet form. When the inoculated spore concentration was 2 x 10(6) spores/ml in flask culture, a small pellet was formed in the culture, which yielded the highest (98.2 g/l) L(+)-lactic acid concentration after 48 h culture; when concentration was 2 x 10(5) spores/ml, clumped and compacted mycelia were observed, which caused a decrease the L(+)-lactic acid concentration (85.7 g/l) after 48 h culture. Following in air-lift bioreactor culture, the morphology was similar to that in flask culture, and when the inoculated spore concentration was 2 x 10(6) spores/ml in the seed culture broth, the productivity of L(+)-lactic acid was 1.07 g/l/h after 48 h culture. The pellet morphology made it possible to perform 9 cycles of repeated batch culture over 14 d. During the first 6 cycles, the average productivity was 2.02 g/l/h, which was 1.9 fold higher than that from batch culture.
引用
收藏
页码:96 / 100
页数:5
相关论文
共 16 条
[1]  
Anderson J. G., 1983, FILAMENTOUS FUNGI, V4, P145
[2]   TOWARD A CONTROL OF LIGNIN AND MANGANESE PEROXIDASES HYPERSECRETION BY PHANEROCHAETE-CHRYSOSPORIUM IN AGITATED VESSELS - EVIDENCE OF THE SUPERIORITY OF PNEUMATIC BIOREACTORS ON MECHANICALLY AGITATED BIOREACTORS [J].
BONNARME, P ;
DELATTRE, M ;
DROUET, H ;
CORRIEU, G ;
ASTHER, M .
BIOTECHNOLOGY AND BIOENGINEERING, 1993, 41 (04) :440-450
[3]   CONTINUOUS AND BATCH-PRODUCTION OF CHLOROPEROXIDASE BY MYCELIAL PELLETS OF CALDARIOMYCES-FUMAGO IN AN AIRLIFT FERMENTER [J].
CARMICHAEL, RD ;
PICKARD, MA .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1989, 55 (01) :17-20
[4]   COLORIMETRIC METHOD FOR DETERMINATION OF SUGARS AND RELATED SUBSTANCES [J].
DUBOIS, M ;
GILLES, KA ;
HAMILTON, JK ;
REBERS, PA ;
SMITH, F .
ANALYTICAL CHEMISTRY, 1956, 28 (03) :350-356
[5]   PHYSIOLOGICAL STUDIES ON ASPERGILLUS-NIGER FERMENTATION WITH POLYMER ADDITIVE [J].
ELMAYERGI, H ;
SCHARER, JM .
JOURNAL OF GENERAL AND APPLIED MICROBIOLOGY, 1973, 19 (05) :385-392
[6]   PELLET GROWTH AND CITRIC-ACID YIELD OF ASPERGILLUS-NIGER-110 [J].
GOMEZ, R ;
SCHNABEL, I ;
GARRIDO, J .
ENZYME AND MICROBIAL TECHNOLOGY, 1988, 10 (03) :188-191
[7]   MICROPROBE MEASUREMENTS OF OXYGEN CONCENTRATIONS IN MYCELIAL PELLETS [J].
HUANG, MY ;
BUNGAY, HR .
BIOTECHNOLOGY AND BIOENGINEERING, 1973, 15 (06) :1193-1197
[8]   STRATEGIES FOR PENICILLIN FERMENTATION IN TOWER-LOOP REACTORS [J].
KONIG, B ;
SCHUGERL, K ;
SEEWALD, C .
BIOTECHNOLOGY AND BIOENGINEERING, 1982, 24 (02) :259-280
[9]  
KOSAKAI Y, 1997, IN PRESS BIOTECHNOL
[10]   GROWTH OF MOLDS IN FORM OF PELLETS - LITERATURE-REVIEW [J].
METZ, B ;
KOSSEN, NWF .
BIOTECHNOLOGY AND BIOENGINEERING, 1977, 19 (06) :781-799