SUBMERGED CITRIC-ACID FERMENTATION - RHEOLOGICAL PROPERTIES OF ASPERGILLUS-NIGER BROTH IN A STIRRED TANK REACTOR

被引：42

作者：

BEROVIC, M

CIMERMAN, A

STEINER, W

KOLOINI, T

机构：

[1] GRAZ TECH UNIV, INST BIOCHEM TECHNOL & MICROBIOL, A-8010 GRAZ, AUSTRIA

[2] EDVARD KARDELJ UNIV, DEPT CHEM ENGN, YU-61000 LJUBLJANA, YUGOSLAVIA

来源：

APPLIED MICROBIOLOGY AND BIOTECHNOLOGY | 1991年 / 34卷 / 05期

关键词：

D O I：

10.1007/BF00167902

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：

A large number of submerged citric acid fermentations in a beet molasses substrate was studied. The development of Aspergillus niger from conidia to pellets was followed. Rheological characteristics of the fermentation broth including the pellets were determined. The results obtained confirm the fact that the non-Newtonian pseudoplastic behaviour of the fermentation broth was due to the presence of mycelial pellets. The most significant changes in rheological properties occurred during the period of maximal citric acid production and increase in biomass.

引用

页码：579 / 581

页数：3

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