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Effect of Debarking Water from Norway Spruce (Picea abies) on the Growth of Five Species of Wood-Decaying Fungi
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för kemiteknik.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för kemiteknik.ORCID-id: 0000-0002-5543-2041
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för naturvetenskap. (Biologi)
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för naturvetenskap.
2014 (engelsk)Inngår i: Zeitschrift für Naturforschung C - A Journal of Biosciences, ISSN 0939-5075, E-ISSN 1865-7125, Vol. 9-10, nr 69c, s. 418-424Artikkel i tidsskrift (Fagfellevurdert) 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.

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2014. Vol. 9-10, nr 69c, s. 418-424
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URN: urn:nbn:se:miun:diva-26306DOI: 10.5560/ZNC.2014-0072ISI: 000348967800009Scopus ID: 2-s2.0-84925348944OAI: oai:DiVA.org:miun-26306DiVA, id: diva2:874036
Tilgjengelig fra: 2015-11-25 Laget: 2015-11-25 Sist oppdatert: 2017-12-01bibliografisk kontrollert

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

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