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Compared to yeast Saccharomyces cerevisiae and Saccharomyces carlesbergensis for the production of ethanol in a solid-state fermentation | ||
| journal of arabian sciences heritage | ||
| Article 1, Volume 0, Issue 4, 2018, Pages 176-183 | ||
| Abstract | ||
| The objective of this study was to compare the efficiency of ethanol production between Saccharomyces cerevisiae and Saccharomyces carlesbergensis using crumbled corn, powdered corn and corn starch media by the sold state fermentation. The obtained results showed that powdered corn medium was the most efficient media for ethanol production from both yeast species with 45.92, 45.71% v/v and 36.45, 36.28 % w/v. compared with crumbled corn medium was 28.12,27.87 % v/v and 22.23, 22.11 % w/v. However, the best results were from the hydrolysis of commercial starch medium 67.44, 67.44 % v/v and 53.27, 52.35 % w/v. The fermenting efficiency of ethanol production by Sacch. cerevisiae in crumbled corn, powdered corn and corn starch medium were 65.6, 70.6 and 75.6 % respectively, the fermenting efficiency of ethanol production by Sacch. carlesbergensis in crumbled corn, powdered corn and corn starch medium were 63.8, 69.5 and 73.8 % respectively. It was concluded that Sacch. carlesbergensis is a good alternative for Sacch. cerevisiae for ethanol production from corn products with high efficiency fermentation. | ||
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