Journal
HOLZFORSCHUNG
Volume 56, Issue 3, Pages 261-266Publisher
WALTER DE GRUYTER & CO
DOI: 10.1515/HF.2002.043
Keywords
Pinus pinaster; oleoresin; plus trees; monoterpenes; sesquiterpenes; neutral diterpenes; resin acids
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ne present paper establishes the relationship between certain components of oleoresin and the character of a tree as high producer (plus tree). The composition of the oleoresin (monoterpenes, sesquiterpenes, neutral diterpenes and resin acids) of Pinus pinaster in plus trees was studied by gaschromatography/mass spectrometry The main components of the monoterpenes are alpha-pinene, beta-pinene, limonene + beta-phellandrene; of the sesquiterpenes beta-caryophylene and longifolene; of neutral diterpenes isoabienol, abienol, isopimaral, pimaral, 11,13-labdien-8-ol and of resin acids levopimaric+palustric, neoabietic, abietic, isopimaric, pimaric, dehydroabietic, sandaracopimaric and 7.13, 15 abietatrienoic acid. The components which enable us to distinguish between plus and control trees are myrcene and noracid 1 at a level of significance of 1%, and abienol and dehydroabietic acid at 5%. The composition of diterpenes permits a certain approach to distinguish between control and plus trees.
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