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Molecules 2006, 11(1), 103-114; doi:10.3390/11010103

Screening Analyses of Pinosylvin Stilbenes, Resin Acids and Lignans in Norwegian Conifers

1
Paper and Fibre Institute (PFI), Høgskoleringen 6B, NO-7491 Trondheim, Norway
2
Department of Chemistry, Norwegian University of Science and Technology, NTNU, NO-7491 Trondheim, Norway
*
Author to whom correspondence should be addressed.
Received: 6 January 2006 / Revised: 23 January 2006 / Accepted: 24 January 2006 / Published: 31 January 2006
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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).
Keywords: Betula pendula; hydroxymatairesinol; Juniperus communis; lignans; Norwegian wood samples; Picea abies; pinosylvins; Pinus sylvestris; resin acids; Salix caprea; stilbenes Betula pendula; hydroxymatairesinol; Juniperus communis; lignans; Norwegian wood samples; Picea abies; pinosylvins; Pinus sylvestris; resin acids; Salix caprea; stilbenes
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Hovelstad, H.; Leirset, I.; Oyaas, K.; Fiksdahl, A. Screening Analyses of Pinosylvin Stilbenes, Resin Acids and Lignans in Norwegian Conifers. Molecules 2006, 11, 103-114.

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