alexa Isolation of a Peniophora Strain Capable of Producing Ethanol from Starch and Kitchen Waste
ISSN: 2167-7972

Fermentation Technology
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Research Article

Isolation of a Peniophora Strain Capable of Producing Ethanol from Starch and Kitchen Waste

Kenji Okamoto*, Motoki Yoneda, and Toko Fumioka

Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, Tottori, Japan

*Corresponding Author:
Kenji Okamoto
Department of Chemistry and Biotechnology, Graduate School of Engineering
Tottori University, Tottori, 680-8552, Japan
Tel: +81-857-31-5276
Fax: +81-857-31-0881
E-mail: [email protected]

Received date: November 03, 2016; Accepted date: January 03, 2017; Published date: January 11, 2017

Citation: Okamoto K, Yoneda M, Fumioka T (2017) Isolation of a Peniophora Strain Capable of Producing Ethanol from Starch and Kitchen Waste. Ferment Technol 6:140. doi: 10.4172/2167-7972.1000140

Copyright: © 2017 Okamoto K, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



A white rot basidomycete identified as Peniophora sp. produced ethanol from glucose, mannose, cellobiose, and maltose with yields ranging from 0.37 to 0.41 g-1 ethanol consumed sugar. Peniophora sp. was also capable of directly fermenting various types of starches, including soluble, corn, potato, and wheat starches, at a yield of 0.39 to 0.41 g-1 ethanol added starch. The fungus also directly converted untreated kitchen waste to ethanol at 73% of the theoretical yield in the absence of externally added enzymes or nitrogen. Our findings indicate that Peniophora sp. efficiently hydrolyzes biomass to fermentable sugars, which are then directly converted to ethanol. The metabolic properties of this fungus may permit cost-effective and environmental friendly bioethanol production from various starting materials, including kitchen waste.


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