INFLUENCE OF PH, TEMPERATURE, AND INOCULUM COMPOSITION ON MIXED CULTURES OF STREPTOCOCCUS-THERMOPHILUS-404 AND LACTOBACILLUS-BULGARICUS-398

被引：42

作者：

BEAL, C

CORRIEU, G

机构：

[1] Laboratorie de Génie Des Procédés Biotechnologiques Agro-Alimentaires, Inra, Thiverval-Grignon

来源：

BIOTECHNOLOGY AND BIOENGINEERING | 1991年 / 38卷 / 01期

关键词：

LACTIC ACID BACTERIA; MIXED CULTURES; POPULATION RATIO; PH; TEMPERATURE;

D O I：

10.1002/bit.260380112

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 effects of pH, temperature, and inoculum composition on Streptococcus thermophilus 404 and Lactobacillus bulgaricus 398 mixed cultures were studied. Linear quadratic models according to these three variables were proposed to express the growth and acidification characteristics, as well as the final proportion between the two strains. Initial and operating conditions allowing maximization of these characteristics were determined. Finally, a graphic method to predict both final total concentration and final proportion of the two bacteria as a function of pH, temperature and inoculum composition is presented.

引用

页码：90 / 98

页数：9

共 21 条

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