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The essential oil has been studied of leaves of Senecio coincyi Rouy, an endemic species of Spain restricted to a very small area of the Central Iberian Peninsula. Samples from five locations were obtained by hydrodistillation and extraction and analysed by gas chromatography-mass spectrometry. The
The composition of the essential oils of Senecio vulgaris, S. jacobaea, S. congestus and S. fuchsii was investigated by means of GLC, CC and GC-MS. The principal constituents differ; S. congestus: 1-tridecene and 1-undecene, S. jacobaea: germacrene D and 1-undecene, S. vulgaris: beta-caryophyllene,
The composition of essential oil isolated from Senecio nudicaulis Wall. ex DC. growing wild in Himachal Pradesh, India, was analysed, for the first time, by capillary gas chromatography (GC) and GC-mass spectrometry. A total of 30 components representing 95.3% of the total oil were identified. The