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Enhancement of ethanol production by promoting surface contact between starch granules and arming yeast in direct ethanol fermentation

Paper ID Volume ID Publish Year Pages File Format Full-Text
22366 43271 2007 3 PDF Available
Title
Enhancement of ethanol production by promoting surface contact between starch granules and arming yeast in direct ethanol fermentation
Abstract

The specific ethanol production rate of raw starch by arming yeast cells displaying α-amylase and glucoamylase increased significantly when the cells and starch granules settled together. The specific ethanol production rate also increased when the size distribution of starch granules was almost same as that of the yeast cells. These results indicate that the surface contact between starch granules and yeast cells is important for increasing the apparent specific activity of α-amylase, which was the rate-limiting factor of the direct fermentation.

Keywords
α-amylase; surface contact; starch granule size; arming yeast; direct ethanol fermentation
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Enhancement of ethanol production by promoting surface contact between starch granules and arming yeast in direct ethanol fermentation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 103, Issue 1, January 2007, Pages 95–97
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us