Single-step, single-organism bioethanol production and bioconversion of lignocellulose waste materials by phlebioid fungal species

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Mattila , H K , Kuuskeri , J T & Lundell , T K 2017 , ' Single-step, single-organism bioethanol production and bioconversion of lignocellulose waste materials by phlebioid fungal species ' , Bioresource Technology , vol. 225 , pp. 254-261 . https://doi.org/10.1016/j.biortech.2016.11.082

Title: Single-step, single-organism bioethanol production and bioconversion of lignocellulose waste materials by phlebioid fungal species
Author: Mattila, Hans Kristian; Kuuskeri, Jaana Tuulia; Lundell, Taina Kristina
Other contributor: University of Helsinki, Department of Food and Nutrition
University of Helsinki, Department of Food and Nutrition
University of Helsinki, Department of Food and Nutrition


Date: 2017-02
Language: eng
Number of pages: 8
Belongs to series: Bioresource Technology
ISSN: 0960-8524
DOI: https://doi.org/10.1016/j.biortech.2016.11.082
URI: http://hdl.handle.net/10138/307258
Abstract: Ethanol production from non-pretreated lignocellulose was carried out in a consolidated bioprocess with wood-decay fungi of phlebioid Polyporales. Ethanol production was attempted on glucose, spruce wood sawdust and waste core board. Substantial quantities of ethanol were achieved, and isolate Phlebia radiata 0043 produced 5.9 g/L of ethanol reaching the yield of 10.4% ethanol from core board lignocellulose substrate. Acidic initial culture conditions (pH 3) induced ethanol fermentation compared to the more neutral environment. Together with bioethanol, the fungi were able to produce organic acids such as oxalate and fumarate, thus broadening their capacity and applicability as efficient organisms to be utilized for bioconversion of various lignocelluloses. In conclusion, fungi of Phlebia grow on, convert and saccharify solid lignocellulose waste materials without pre-treatments resulting in accumulation of ethanol and organic acids. These findings will aid in applying fungal biotechnology for production of biofuels and biocompounds.
Subject: 414 Agricultural biotechnology
Waste bioconversion
Fungal biotechnology
219 Environmental biotechnology
Lignocellulose waste material
220 Industrial biotechnology
BIOETHANOL PRODUCTION
Biocompound production
1182 Biochemistry, cell and molecular biology
ETHANOL PRODUCTION
Biocompounds
Organic acids
Lignocellulose breakdown
1183 Plant biology, microbiology, virology
Fungal biology
Microbiology
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