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knotwood
Items for "knotwood"
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 GruyterBioactive phenolic substances in industrially important tree species. Part 4: Identification of two new 7-hydroxy divanillyl butyrolactol lignans in some spruce, fir, and pine species
A few lignans, that is, 7-hydroxymatairesinol, secoisolariciresinol, lariciresinol, and nortrachelogenin, predominate in a large proportion of the industrially important softwood species used...
Keywords: Abies, fir, 7-hydroxy divanillyl butyrolactol lignans, isoliovil, knots, knotwood, lignans, liovil, Picea, pine, Pinus, spruce, todolactol A
07/2005 | Holzforschung, Walter de GruyterKnotwood as a window to the indirect measurement of the decay resistance of Scots pine heartwood
There is wide variation in the extractive content and decay resistance of Scots pine (
Keywords: decay resistance, heartwood, knotwood, phenolic compound, resin acid, stilbene
08/2007 | Holzforschung, Walter de Gruyter