Composition and chemical variability of the oleoresin of Pinus nigra ssp. laricio from Corsica

Rezzi, S.; Bighelli, A.; Castola, V.; Casanova, J.

Industrial Crops and Products 21(1): 71-79


ISSN/ISBN: 0926-6690
DOI: 10.1016/j.indcrop.2003.12.008
Accession: 004084593

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Eighteen samples of oleoresin of Pinus nigra ssp. laricio were harvested in six locations in Corsica. Eight diterpene acids, six neutral diterpenes and alpha-pinene were identified and their contents calculated by 13C NMR spectroscopy, following a procedure recently developed in our laboratories. The results were submitted to chemometric analysis (k-means and principal component analysis) and two clusters were distinguished with respect to the contents of levopimaric acid and dehydroabietic acid.