The composition of 16 samples of leaf oil from Corsican Juniperus thurifera was investigated by integrated techniques, GC, GC-MS and 13C NMR. K-means partitioning and PCA analysis of the data allowed the definition of a main group (14 samples) dominated by limonene (mean = 52.2%, SD = 6.4) and α-pinene (mean = 7.2%, SD = 3.8). Limonene and β-elemol (up to 19.7%) were identified as the major components of two atypic samples.
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