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Production of low or non-alcoholic beer in microbial fuel cell

Paper ID Volume ID Publish Year Pages File Format Full-Text
18871 43036 2016 5 PDF Available
Title
Production of low or non-alcoholic beer in microbial fuel cell
Abstract

•Brewing of beer in microbial fuel cell.•Effect of anode surface on current production.•Effect of anode surface on ethanol production.•Effect of riboflavin on current production.•Effect of riboflavin on ethanol production.

Microbial fuel cells (MFC) are bioreactors that are used to generate electricity on the expense of organic substrate oxidation. The MFC's operation-mechanism offers the possibility to use the fuel cell in the beer production technologies to make low or non-alcoholic beers. In this study the effect of MFC anode surface area and riboflavin as an electron shuttle on electric current and on ethanol production in fermentation of wort is demonstrated. The enlargement of anode surface induces an increase of electricity generation (from 4 to 12.5 mA/m2) while the ethanol production decreases. Adding riboflavin to the wort in the MFC results significant increase in electricity production, furthermore it decreases the ethanol synthesis. Addition of 50 μM riboflavin enhances the current output to 51 mA/m2 with a 1.5 V/V% decrease of ethanol production, while 100 μM results 86 mA/m2 and 2 V/V% decrease of ethanol production. These results show the potentiality to brew low or non-alcoholic beer in MFC.

Keywords
Brewer's yeast; Microbial fuel cell; Non-alcoholic beer; Low-alcoholic beer; Riboflavin; Yeast metabolism
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Production of low or non-alcoholic beer in microbial fuel cell
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 98, April 2016, Pages 196–200
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