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Effect of Debarking Water from Norway Spruce (Picea abies) on the Growth of Five Species of Wood-Decaying Fungi
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering.ORCID iD: 0000-0002-5543-2041
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences. (Biologi)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
2014 (English)In: Zeitschrift für Naturforschung C - A Journal of Biosciences, ISSN 0939-5075, E-ISSN 1865-7125, Vol. 9-10, no 69c, 418-424 p.Article in journal (Refereed) Published
Abstract [en]

Norway spruce (Picea abies) debarking water is an aqueous extract obtained as waste from the debarking of logs at paper mills. The debarking water contains a mixture of natural compounds that can exhibit diverse biological activities, potentially including fungicidal activity on some species of wood-decaying fungi. Thus, we investigated the growth rates of such fungi on agar plates to which debarking water extracts had been added. The experiment included five wood-decaying fungi, viz. Gloeophyllum sepiarium, Oligoporus lateritius, Ischnoderma benzoinum, Junghuhnia luteoalba, and Phlebia sp. Growth reduction was observed for all species at the highest tested concentrations of freeze-dried and ethanol-extracted debarking water, the ethyl acetate-soluble fraction and the diethyl ether-soluble fraction. However, the magnitude of the effect varied between different species and strains of individual species. The brown-rot fungi G. sepiarium and O. lateritius were generally the most sensitive species, with the growth of all tested strains being completely inhibited by the ethyl acetate-soluble fraction. These results indicate that development of antifungal wood-protecting agents from debarking water could potentially be a way to make use of a low-value industrial waste.

Place, publisher, year, edition, pages
2014. Vol. 9-10, no 69c, 418-424 p.
National Category
Natural Sciences Chemical Sciences
Identifiers
URN: urn:nbn:se:miun:diva-26306DOI: 10.5560/ZNC.2014-0072ISI: 000348967800009Scopus ID: 2-s2.0-84925348944OAI: oai:DiVA.org:miun-26306DiVA: diva2:874036
Available from: 2015-11-25 Created: 2015-11-25 Last updated: 2016-12-16Bibliographically approved

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Fagerlund-Edfeldt, AmelieHedenström, ErikEdman, MattiasJonsson, Bengt Gunnar
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