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In the present study, the chemical compositions of the essential oils from roots, stems, leaves and fruits of Foeniculum vulgare subsp. piperitum collected in Sicily were evaluated by GC and GC-MS. The main components of the roots were terpinolene (33.15%),  γ -terpinene (12.18%) and fenchyl acetate (11.23%). Stems and leaves were very rich in  α -phellandrene (36.85% and 41.59%, respectively) and  β -phellandrene (19.68% and 25.79%, respectively), whereas the main components of fruits were terpinolene (20.10%) and limonene (17.84%) These results were compared with those of the EOs of the same vegetative parts of  Foeniculum vulgare  subsp.  vulgare , collected in the same station and in the same days. The oils of  F. vulgare  subsp.  vulgare  showed completely different compositions, with estragole, ( E )-anethole and  α -pinene as main compounds, clearly indicating the differentiation of the two subspecies. Our results were also compared with those reported in literature for other accessions of  Foeniculum vulgare  subsp.  piperitum

natural product research

Chemical composition of the essential oil from different vegetative parts of  Foeniculum vulgare  subsp . piperitum  (Ucria) Coutinho (Umbelliferae) growing wild in Sicily