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Correlations between selected monoterpene hydrocarbons in the xylem of six Pinus (pinaceae) species
Royal Institute of Technology, Department of Chemistry, Organic Chemistry, Group of Ecological Chemistry, SE-100 44 Stockholm.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
Royal Institute of Technology, Department of Chemistry, Organic Chemistry, Group of Ecological Chemistry, SE-100 44 Stockholm.
Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic.
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2001 (English)In: Chemoecology, ISSN 0937-7409, E-ISSN 1423-0445, Vol. 11, no 2, 97-106 p.Article in journal (Refereed) Published
Abstract [en]

The compositions of 23 monoterpene hydrocarbons of six pine species (Pinus sylvestris, P. yunnanensis ll,ris, P. armandii, P. tropicalis, P. cubensis and P. caribaca) were compared, using multivariate data analysis. Four of the six species were clearly different from the other species in a Principal Components Analysis (PCA) model, based on the relative amounts (selective normalization) of the monoterpenes. The correlation coefficients between constituents were determined separately for each species and the strongest correlations were found between (+)-alpha -pinene and (+)-camphene and between the corresponding (-)-enantiomers, in all species. This pattern, i.e. a good correlation in all species, was neither shown by the correlation of the structurally more similar (+)-alpha/beta -pinenes, nor by the (-)-alpha/beta -pinenes or within the enantiomeric pairs of alpha -pinene and beta -pinene. For these pairs of monoterpenes, good correlations were found in some species. None of the species showed good correlations in all the investigated monoterpene pairs presented here. Correlations between monoterpenes in insect-attacked trees (P. cubensis and P. caribaea, attacked by Dioryctria horneana, and P. yunnanensis, attacked by Tomicus piniperda) were also determined. The results are discussed from chemotaxonomic and biosynthetic points of view.

Place, publisher, year, edition, pages
2001. Vol. 11, no 2, 97-106 p.
Keyword [en]
Biosynthesis, Chemotaxonomy, Correlations, Enantiomeric composition, Insect pest, Monoterpene hydrocarbon, Multivariate data analysis, Pinus
National Category
Other Basic Medicine
Identifiers
URN: urn:nbn:se:miun:diva-13594ISI: 000168671700006Scopus ID: 2-s2.0-0035011256OAI: oai:DiVA.org:miun-13594DiVA: diva2:412666
Available from: 2011-04-26 Created: 2011-04-19 Last updated: 2016-10-11Bibliographically approved

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