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Characterization of technological features of dry yeast (strain I-7-43) preparation, product of electrofusion between Saccharomyces cerevisiae and Saccharomyces diastaticus, in industrial application

Paper ID Volume ID Publish Year Pages File Format Full-Text
17554 42677 2011 6 PDF Available
Title
Characterization of technological features of dry yeast (strain I-7-43) preparation, product of electrofusion between Saccharomyces cerevisiae and Saccharomyces diastaticus, in industrial application
Abstract

The aim of the study was to verify the technological usability and stability of biotechnological features of active dry distillery yeast preparation (strain I-7-43 with amylolytic abilities) applied to full-scale production of agricultural distillery. Various reduced doses of glucoamylase preparation (San-Extra L) were used for starch saccharification, from 90% to 70% in relation to the full standard dose of preparation. The dry distillery yeast I-7-43 were assessed positively in respect to fermentation activity and yield of ethanol production. Application of the dry yeast I-7-43 preparation in distillery practice lowers the costs of spirit production by saving the glucoamylase preparation (up to 30%) used in the process of mash saccharification. Concentrations of the volatile fermentation by-products in raw spirits obtained from fermentations with application of I-7-43 strain were on the levels guaranteeing good organoleptic properties of distillates.

Keywords
Amylolytic yeasts; Amylolytic enzymes; Starch hydrolysis; Fermentation yield; Ethanol production; Volatile fermentation by-products; Rye mashes
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Characterization of technological features of dry yeast (strain I-7-43) preparation, product of electrofusion between Saccharomyces cerevisiae and Saccharomyces diastaticus, in industrial application
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 49, Issue 1, 10 June 2011, Pages 38–43
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