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