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You are here: Home :: Keyword index :: Kel bis mat :: LiCl/DMI - lignin biosynthetic lignans

Items for "lignans"

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
Bioactive 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 Gruyter
Phenolic compounds in silver birch (Betula pendula Roth) wood

Three new phenolic compounds (4-hydroxy-2-methoxyphenyl-6-O-syringoyl-?-D-glucopyranoside, 2-hydroxy-4-methoxyphenyl-6-O-syringoyl-?-D-glucopyranoside, and 4-hydroxymethyl-2-methoxyphenyl-6-O-syringoyl-?-D-glucopyranoside) and 15 known phenolic compounds (two phenyl glucoside esters, five lignans, three diarylheptanoids and five simple aldehydes or ketones) were isolated from the secondary xylem of mature Betula pendula Roth...

Keywords: Betula pendula Roth, diarylheptanoids, extractives, lignans, phenolic glycosides, wood

08/2006 | Holzforschung, Walter de Gruyter