Koncsag, Claudia I., Eastwood, Daniel C., Collis, Alana, Coles, Stuart R., Clark, Andrew J., Kirwan, Kerry and Burton, Kerry S.. (2012) Extracting valuable compounds from straw degraded by Pleurotus ostreatus. Resources, Conservation and Recycling, Vol.59 . pp. 14-22. ISSN 0921-3449

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Abstract

This work aims to the recovery of lignocellulosic waste in an environmentally friendly process, as an alternative to the energy- intensive technologies: steam explosion, subcritical and/or supercritical water treatment, gasification through pyrolisis, etc. A study was made to optimize the extraction conditions of potentially valuable compounds in straw degraded by the fungus Pleurotus ostreatus. The effects of solvent nature, temperature and extraction time were quantified by material balances with a special view to the extracts obtained. Confirmation of the effectiveness of the operations was done by spectrophotometric, HPLC and LC-MS analyses. Following this study, a technology localized to the farm was conceived, requiring few craftsmanship and no special utilities, to obtain a semi-product for further processing. A centralized technology could be also taken into account to process the straw by direct extraction with hot solvents, in order to obtain products yields three times higher than in the case of the aqueous extraction followed by solvent extraction at 20oC.

Item Type:	Journal Article
Subjects:	S Agriculture > SB Plant culture T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology
Divisions:	Faculty of Science > Chemistry Faculty of Science > Life Sciences (2010- ) Faculty of Science > Life Sciences (2010- ) > Warwick HRI (2004-2010) Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH):	Pleurotus ostreatus, Extraction (Chemistry), Straw -- Biodegradation
Journal or Publication Title:	Resources, Conservation and Recycling
Publisher:	Elsevier BV
ISSN:	0921-3449
Date:	February 2012
Volume:	Vol.59
Number of Pages:	9
Page Range:	pp. 14-22
Identification Number:	10.1016/j.resconrec.2011.04.007
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	University of Warwick. International Manufacturing Centre
Version or Related Resource:	This paper was originally presented at Biomass valorization to energy and value added chemicals; the 6th European Meeting on Chemical Industry and Environment, Mechelen, Belgium, May 17-19, 2010.
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URI:	http://wrap.warwick.ac.uk/id/eprint/36673

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