Effect of Debarking Water from Norway Spruce (Picea abies) on the Growth of Five Species ofWood-Decaying Fungi
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Amelie Fagerlund Edfeldt
,
Mattias Edman
Abstract
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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Articles in the same Issue
- Three New Di-O-glycosyl-C-glucosyl Flavones from the Leaves of Caesalpinia ferrea Mart.
- Amino Phenolics from the Fruit of the Argan Tree Argania spinosa (Skeels L.)
- Synthesis and Antimicrobial Evaluation of 2-(p-Substituted Phenyl)-5-[(4-substituted piperazin-1-yl)acetamido]-benzoxazoles
- Antibacterial Flavanones and Dihydrochalcones from Macaranga trichocarpa
- Chemical Constituents and Biological Activities of Cirsium leucopsis, C. sipyleum, and C. eriophorum
- Antihyperglycemic Activities of Extracts of the Mistletoes Plicosepalus acaciae and P. curviflorus in Comparison to their Solid Lipid Nanoparticle Suspension Formulations
- Effect of Copper Toxicity on Root Morphology, Ultrastructure, and Copper Accumulation in Moso Bamboo (Phyllostachys pubescens)
- Evaluation of Cucurbita maxima Extract against Scopolamine- Induced Amnesia in Rats: Implication of Tumour Necrosis Factor Alpha
- Effect of Debarking Water from Norway Spruce (Picea abies) on the Growth of Five Species ofWood-Decaying Fungi
