Citation
Ho, Y. C. and Mohd Ghazali, Hasanah
(1986)
Alcohol Production from Cassava Starch by Co-immobilized Zymomonas mobilis and Immobilized Glucoamylase.
Pertanika, 9 (2).
pp. 235-240.
Abstract
Simultaneous saccharification and fermentation of dextrin£zed cassava starch to glucose and
alcohol, respectively, were carried out by co-immobilized Zymomonas mobilis and immobilz'zed
glucoamylase (IG). Calcium alginate-entrapped cells and IG (4 : 1 ratio) gave an alcohol productivity
of 0.30 glgww cellslh in a batchfermentation process. For continuous fermentation, 54.3 gil alcohol
was produced at a dilution rate of 0.3Ih. 60% of the initial activity was lost within 3 days and, thereafter,
the system entered a slowly decreasing phase ofalcohol production.
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