STRAIN AND PROCESS FOR PRODUCTION OF POLYGALACTURONASE

被引:83
作者
BAILEY, MJ [1 ]
PESSA, E [1 ]
机构
[1] VALT TEKNILLINEN TUTKIMUSKESKUS,FOOD RES LAB,SF-02150 ESPOO,FINLAND
关键词
Aspergillus niger; Polygalacturonase; submerged fermentation;
D O I
10.1016/0141-0229(90)90098-B
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 process was developed for the production of polygalacturonase (poly-1,4-α-d-galacturonide glycanohydrolase, EC 3.2.1.15) by Aspergillus niger VTT-D-77050 and its mutant VTT-D-86267. High levels of production were obtained in laboratory fermentations on a beet extraction waste medium. The yields were lower in pilot scale production experiments, although the producing strains were stable in the process conditions. The enzyme mixture produced in one pilot fermentation was used successfully for improving the cloud stability of fruit nectars. In addition to polygalacturonase, the preparation also contained appreciable levels of some other important activities. © 1990.
引用
收藏
页码:266 / 271
页数:6
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