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Title 

Simultaneous saccharification and ethanol fermentation of sago starch using immobilized Zymomonas mobilis

Authors 

G M LeeChul Ho KimK J LeeZ A M YusofMoon Hi HanSang Ki Rhee

Issue Date 

1986

Citation 

Journal of Fermentation Technology, vol. 64, no. 4, pp. 293-297

Abstract 

Simultaneous saccharification and ethanol fermentation (SSF) of sago starch using amyloglucosidase (AMG) and immobilized Zymomonas mobilis ZM4 on sodium alginate was studied. The immobilized Zymomonas cells were more thermo-stable than free Zymomonas cells in this system. The optimum temperature in the SSF system was 40°C, and 0.5% (v/w) AMG concentration was adopted for the economical operation of the system. The final ethanol concentration obtained was 68.3 g/l and the ethanol yield, Yp/s, was 0.49 g/g (96% of the theoretical yield). After 6 cycles of reuse at 40°C with 15% sago starch hydrolysate, the immobilized Z. mobilis retained about 50% of its ethanol fermenting ability.

ISSN 

0385-6380

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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