Alcohol Production from Cassava Starch by Co-immobilized Zymomonas mobilis and Immobilized Glucoamylase
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....
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| Main Authors: | , |
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| Format: | Article |
| Language: | English English |
| Published: |
1986
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| Online Access: | http://psasir.upm.edu.my/id/eprint/2326/1/Alcohol_Production_from_Cassava_Starch_by.pdf http://psasir.upm.edu.my/id/eprint/2326/ |
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| Institution: | Universiti Putra Malaysia |
| Language: | English English |
| Summary: | 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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