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Screening analyses of pinosylvin stilbenes, resin acids and lignans in Norwegian conifers

Hovelstad, H; Leirset, Ingebjørg; Oyaas, K; Fiksdahl, Anne
Journal article, Peer reviewed
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URI
http://hdl.handle.net/11250/2359636
Date
2006
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  • Institutt for kjemi [1039]
  • Publikasjoner fra CRIStin - NTNU [26593]
Original version
Molecules 2006, 11(1):103-114   10.3390/11010103
Abstract
The content and distribution of stilbenes and resin acids in Scots pine (Pinus

sylvestris) and spruce (Picea abies), sampled in central Norway, have been examined.

The contents of pinosylvin stilbenes in pine heartwood/living knots were 0.2-2/2-8 %

(w/w). No stilbenes could be detected in spruce (Picea abies). The resin acid contents of

pine sapwood/heartwood and knots were 1-4 and 5-10 % (w/w), respectively. Minor

amounts of resin acids (<0.2/<0.04 %w/w) were identified in spruce wood/knots. The

lignan content in knots of Norwegian spruce was 6.5 % (w/w). Diastereomerically pure

hydroxymatairesinol (HMR, 84 % of total lignans) was readily isolated from this source

since only minor quantities (2.6 % of total lignans) of the allo-HMR diastereomer was

detected. Insignificant amounts of lignans were present in the sapwood. Lignans could

not be detected in the sapwood or knots of Norwegian sallow (Salix caprea), birch

(Betula pendula) or juniper (Juniperus communis).
Publisher
MDPI
Journal
Molecules

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