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Effect of Debarking...
Effect of Debarking Water from Norway Spruce (Picea abies) on the Growth of Five Species of Wood-Decaying Fungi
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- Fagerlund-Edfeldt, Amelie (author)
- Mittuniversitetet,Avdelningen för kemiteknik
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- Hedenström, Erik (author)
- Mittuniversitetet,Avdelningen för kemiteknik
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- Edman, Mattias (author)
- Mittuniversitetet,Avdelningen för naturvetenskap,Biologi
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- Jonsson, Bengt Gunnar (author)
- Mittuniversitetet,Avdelningen för naturvetenskap
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(creator_code:org_t)
- 2014
- 2014
- English.
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In: Zeitschrift für Naturforschung C - A Journal of Biosciences. - 0939-5075 .- 1865-7125. ; 9-10:69c, s. 418-424
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https://miun.diva-po... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.5...
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Abstract
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- 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.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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