DIACETYL PRODUCTION BY CO-IMMOBILIZED CITRATE-POSITIVE LACTOCOCCUS-LACTIS SUBSP LACTIS-3022 AND HOMOGENIZED BOVIN LIVER IN ALGINATE FIBERS WITH DOUBLE GEL LAYERS

被引:12
作者
OCHI, H
TAKAHASHI, M
KANEKO, T
SUZUKI, H
TANAKA, H
机构
[1] UNIV TSUKUBA,INST APPL BIOCHEM,TSUKUBA,IBARAKI 305,JAPAN
[2] MEIJI MILK PROD CO LTD,CENT RES INST,HIGASHIMURAYAMA,TOKYO 189,JAPAN
关键词
D O I
10.1007/BF01049208
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
Diacetyl production by (Citr+) Lactococcus lactis subsp. lactis 3022 cells immobilized in Ca-alginate fine fibers with single layer in the presence of catalase was three times higher than that in the absence of catalase. A co-immobilized culture system of the lactic acid bacterial cells (outer) and the homogenized bovine liver (inner layer) in Ca-alginate fibers with double gel layers was developed. The culture system gave high diacetyl productivity (greater-than-or-equal-to 30 mg/l) for ten repeated batch cultures.
引用
收藏
页码:505 / 510
页数:6
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