Alcohol Production from Cassava Starch by Co-immobilized Zymomonas mobilis and Immobilized Glucoamylase
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.
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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