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Items for "sapwood"

Bioactive phenolic substances in industrially important tree species. Part 2: Knots and stemwood of fir species

Knots, i.e. branch bases inside tree stems, in fir trees contained remarkably higher concentrations of lignans, oligolignans, and juvabiones than the adjacent stemwood...

Keywords: Abies, fir, flavonoids, heartwood, hydrophilic extractives, juvabiones, knots, knotwood, lignans, oligolignans, phenolic substances, polyphenols, sapwood, sugars

10/2004 | Holzforschung, Walter de Gruyter

Evaluation of hydrocarbon emissions from heart- and sapwood of Scots pine using a laboratory-scale wood drier

The subject of study is the emission of Volatile Organic Compounds (VOC) during the drying of wood...

Keywords: drying, Emission, heartwood, sapwood, Scots pine, SPME, volatile organic compounds (VOC)

10/2004 | Holzforschung, Walter de Gruyter

Characterization of physiological functions of sapwood IV: Formation and accumulation of lignans in sapwood of Cryptomeria japonica (L.f.) D. Don after felling

Matairesinol and pinoresinol were isolated from sugisapwood 40 days after felling...

Keywords: Cryptomeria japonica, heartwood extractives, lignan, matairesinol, sapwood, pinoresinol

07/2005 | Holzforschung, Walter de Gruyter

Air permeability of aspen veneer and glueline: Experimentation and implications

Extensive experiments were conducted to investigate the transverse (vertical) air permeability of trembling aspen (Populus tremuloides) veneer and phenol formaldehyde (PF) gluelines, as well as aspen plywood and strandboard...

Keywords: air permeability, glueline, heartwood, hot pressing, plywood, sapwood, strandboard, trembling aspen, veneer, wood composites

05/2006 | Holzforschung, Walter de Gruyter

Analysis of wood tissues by time-of-flight secondary ion mass spectrometry

The distribution of lignin, carbohydrates, and metal ions on the surface of spruce and aspen wood tissue sections was investigated by time-of-flight secondary ion mass spectrometry (ToF-SIMS)...

Keywords: aspen, bordered pit tori, carbohydrates, compression wood, field-emission scanning electron microscopy (FE-SEM), heartwood, lignin, Metals, ray parenchyma cells, sapwood, spruce, surface distribution, time-of-flight secondary ion mass spectrometry (ToF-SIMS) images

11/2007 | Holzforschung, Walter de Gruyter