Your search resulted in 789 documents. Displaying 25 entries per page.
Potential co-valorization of pyrolysis tars from five wood species form Tunisia as wood preservatives bases: Chemical compositions, antifungal and anti-termite activities
2025 - IRG/WP 25-20739
…acetic and propionic acids, furfural, phenolic compounds, guaiacol derivatives, levoglucosan, and polycyclic aromatic hydrocarbons (PAHs). Chemical composition of tars, mainly the concentration of these previous main compounds, varied according to the wood species. Notably, the chemical profile of the…
M T Elaieb, J Valette, E Kiény, L Pignolet, S Ghariani, K Candelier
Antifungal and antitermite activities of acetonic extractives from Cedrus Atlantica heartwood
2022 - IRG/WP 22-10990
…were performed, especially to characterized flavonoid compounds of these extractives fractions. The radial variation of the extractive composition obtained, highlighted the phenomenon of heartwood formation. Hypotheses on the metabolic pathways involved in the heartwood formation process of cedar wood were…
R Dijoux, R Ducruet, E Kieny, D Aznar, C Cayzac, L Bidel, C J Allemand, K Candelier
Chemical compositions and anti-termite activities of essential oils from Gabonese Canarium schweinfurthii Engl, Dacryodes buettneri Engl and Aucoumea klaineana Pierre wood resins.
2017 - IRG/WP 17-10895
…major constituents of terpenoides and phenylpropanoïdes compounds which are the most active substances against termite activity. The anti-termite activities of the three essential oils were evaluated, performing no-choice tests. 70 μL of each essential oil diluted in acetone with mass ratios of 50:50 and 25:75…
Chemical compositions and anti-termite activities of essential oils from Gabonese Canarium schweinfurthii Engl, Dacryodes buettneri Engl and Aucoumea klaineana Pierre wood resins.
Vacuum drying of European oakwood: Color, chemistry and anti-oxidant potency of wood. Improving appearance in forest value added products
2008 - IRG/WP 08-40432
…is very important due to oxidation reaction of phenolic compounds. The formation of coloured substances from a phenolic compound oxidized with air and the formation of dark materials from hydrolysable extractives are considered causes of discolouration. In order to reduce oxidation reaction, vacuum drying process…
S Sandoval, W Jomaa, F Marc, J-R Puiggali
Detection of Anti-Fungal Sapwood Extractives in Non-Durable Scots Pine (Pinus sylvestris), Rubberwood (Hevea brasiliensis) and Jelutong (Dyera costulata)
2007 - IRG/WP 07-10634
…per spot so as to optimize resolution of separated compounds, and developed with chloroform:methanol solvent (ratio 19:1). The dried plates were sprayed with fresh fungal spores of Cladosporium cucumerinum and incubated at >90% RH for 5 days in the dark. Presence of anti-fungal compounds was revealed by…
A H H Wong, R B Pearce
Anti-feedant activity of stilbenic components from bark of Picea glehnii against a subterranean termite, Reticulitermes speratus
2002 - IRG/WP 02-10447
…paper disks, anti-feedant activity was shown in both the compounds. Isorhapontigenin had a larger anti-feedant activity than isorhapontin.
S Shibutani, M Samejima, S Doi
Anti-fungal properties of pyrolytic oils derived from softwood bark
2000 - IRG/WP 00-30218
…of this study was to identify which groups of chemical compounds were the most active to inhibit the growth of wood decay fungi. The fractionation of the pyrolytic aqueous phase in four distinct parts was accomplished by a liquid-liquid extraction method. The four fractions were named F1 (ether extractibles), F2…
D Mourant, Dian-Qing Yang, Xiao Lu, C Roy
Citric acid/urea derivatives as an anti-discolouration treatment for wood surfaces
2025 - IRG/WP 25-20741
The exterior-use wood faces raining and sunlight exposure, which can cause property changes of the wood, such as the discolouration, dimensional instability, and biological attack. This article explores the use of citric acid and urea as surface protection of…
C-F Lin, O Myronycheva, D Jones, O Karlsson
A novel anti-fungal wood crack repairing agent based on CQDs/PVA
2025 - IRG/WP 25-20744
Wood is a sustainable material, but its tendency to crack and decay poses a challenge for its applications. In this study, we developed a combination system of nitrogen-doping carbon quantum dots (N-CQDs) and polyvinyl alcohol (PVA) to repair wood cracks. Rath…
X Zhao, Z Zhang, Y Peng, W Wang, J Cao
Evaluation of Fungicide Transfer to Fruit Stored in Bins Constructed from Anti-Sapstain Treated Radiata Pine
2025 - IRG/WP 25-50417
This study investigates the potential transfer of fungicides to apples stored in bins made from wood treated with the anti-sapstain fungicides Antiblu® CC, containing carbendazim and chlorothalonil, and Antiblu® 375, containing oxine copper as an active ingr…
D Humphrey, A Russell
Decrease of the antidecay resistance of beech wood treated with organotin fungicides after its natural ageing
1998 - IRG/WP 98-30185
The antidecay resistance of beech-wood samples (120 x 8.5 x 8.5 (MM)) treated with tributyltin fungicides gradually decreased due to prolongation of their natural ageing:
tributyltin fungicides (TBTO, TBTS, TBTCA, TBT-DEDTK were applied by pressure impregnati…
L Reinprecht
The influence of previous anti-blue-stain preservative treatments on the fixation of CC in spruce
1997 - IRG/WP 97-30134
…significantly by application of quaternary ammonium compounds.
M Van der Zee, W J Homan
Efficacy of a wide-spectrum plant bio-based anti-termite product - Laboratory trials
2023 - IRG/WP 23-11024
Compared to the number of timbers available, the list of wood species resistant to termites is rather limited and largely composed of tropical timbers. In addition, due to climate change and environmental degradation, together with global trade, a significant…
M-F Thévenon, F Chopinet, J Vuillemin, A Robert, S Lafay, D Messaoudi
Impregnation of wood with antifungal compounds from low-quality tree biomass
2022 - IRG/WP 22-30763
…trees can be explained as a relevant source of natural compounds with antifungal and antioxidant properties. Wood polyphenols could be used as natural biocidal agents in bio-based preservative solutions.
V Vek, I Poljanšek, A Balzano, M Humar, P Oven
Extraction, identification and antifungal activity of polar extractives originated from various wood species
2020 - IRG/WP 20-20673
…social and economic interest in obtaining chemical compounds from sustainable sources has motivated this research study. It is expected that the identification of alternative uses of native and tropical wood by-products coming from the wood processing industries, will promote the circular bioeconomy which…
R Herrera, F Poohphajai, J Labidi, S Willför, A Sandak
Chemical composition, antitermite and antifungal activity of Dacryodes edulis oleoresin
2019 - IRG/WP 19-20653
Damages to wood structures and other cellulosic materials caused by wood destroying insects and fungi are estimated to several billions of dollars each year in the world. Among these, termites are considered as one of the most economically important pests for…
W F Bedounguindzi, K Candelier, P E Engonga, Se Dumarcay, M-F Thevenon, P Gerardin
Identification of Antifungal Compounds in Konjac Flying Powder and Assessment against Wood Decay Fungi
2019 - IRG/WP 19-30737
…extract was evaluated against wood decay fungi in culture. Compounds associated with antifungal activity in the extracts were isolated and purified by silica gel column chromatography. The antifungal active fractions were identified by ultra-high-performance liquid chromatography-mass spectrometry (UHPLC-QE-MS). The…
Z Bi, F Yang, Y Lei, J J Morrell, L Yan
The anti-weathering mechanism of extractives in thermally modified Scots pine
2019 - IRG/WP 19-40880
Results from the electron spin-resonance spectroscopy (ESR) analysis indicated that thermally modification of wood can inhibit the generation of phenoxyl radicals during UV irradiation and consequently lead to the increase of the color stability of wood. In or…
H Shen, J Cao
Anti-fungal activity of rutin and rutin-metal complexes as wood protectants
2017 - IRG/WP 17-30708
The anti-fungal activity of Rutin, a flavonoid, alone or complexed with copper or zinc was investigated in a petri dish test with Gloeophyllum trabeum and Trametes versicolor as the test fungi. Rutin and the Rutin-metal complexes showed significant inhibition…
Li Yan, J J Morrell, Jie Zhong, Xiuzhu Mao
Real-Time PCR Assays for the detection of the dry rot fungus Serpula lacrymans and its close relative Serpula himantioides
2016 - IRG/WP 16-10867
Prevention of wood decay by fungi of the phylum Basidiomycota is an important issue of wood protection. The most destructive fungus in buildings in Central Europe is the dry rot fungus Serpula lacrymans, which needs more extensive restauration measures than al…
K Jacobs, N Rangno
Effect of the Storage Time of Logs in Anti-Stain Treatment Effectiveness
2016 - IRG/WP 16-30683
Storage of green lumber, for 7 months, operationally treated with anti-stain products, depending on the storage time of the logs (10, 20 and 30 days) post harvesting allows to affirm that with increasing storage time of the logs, occurs a progressive increase…
M A Peredo, C Barria
Anti-Fungal Activity on Some Wood extracts as a Wood Protectant
2016 - IRG/WP 16-30684
In this study, six different wood barks were used, where obtained bark extracts were blended with potato-agar in order to investigate their antifungal properties. To determine the inhibition effectiveness of extractives, two different fungi; Coniophera puteana…
Ö Özgenç, S Durmaz
Performance of proprietary formulations of anti-sapstain preservatives on Hevea brasiliensis timbers in laboratory tests
1989 - IRG/WP 3532
A total of 10 proprietary and two experimental formulations were assessed for their effectiveness against sap-stain caused by Botryodiplodia theobromae on Rubberwood (Hevea brasiliensis). Sterilized wood samples 5x20x40 mm³ were dipped in the test chemicals f…
L T Hong
Performance of kiln-dried and air-dried anti-sapstain treated pallet timber under use scenarios against wood discolouring fungi
2015 - IRG/WP 30669
During their lifespan there is a high probability that wooden pallets and packaging material will be exposed to rainfall or rewetting conditions, increasing the risk of growth of discolouring fungi. Kiln-drying of wooden pallets and packaging material without…
A Steitz, E Stoyanova, N Pfabigan, R Gründlinger
Search for an anti-sapstain treatment for fresh radiata pine wood in compliance with European BPD norms: Field Tests
2015 - IRG/WP 15-30673
In response to the impending restrictions on the use of pesticide active ingredients developed to control the staining of fresh wood, as a result of regulation issued in 2009 by the European Union, a project was proposed to test an alternative anti-sapstain tr…
P Montes C, T Hanke W