6533b7d0fe1ef96bd125afe6

RESEARCH PRODUCT

Chemical composition of the essential oils of Centaurea sicana and C. giardinae growing wild in Sicily

Carmen FormisanoVivienne SpadaroMaurizio BrunoSergio RosselliFelice SenatoreFrancesco Maria RaimondoDaniela Rigano

subject

Pharmacologyfood.ingredientbiologyChemistryPlant ScienceGeneral MedicineAsteraceaebiology.organism_classificationSicanalaw.inventionfoodComplementary and alternative medicineCaryophyllene oxideCentaurealawDrug DiscoveryBotanyCentaurea giardinaeChemical compositionEssential oilGermacrene D

description

The essential oils of Centaurea sicana (S) and C. giardinae (G) were studied by GC and GC-MS. Thirty constituents for S, representing 81.5% of the total oil, and 24 compounds for G (94.2% of the total) were identified. The oils were rich in sesquiterpenoids (47.9% for S and 54.7% for G) and hydrocarbons (25.9% for S and 31.7% for G). Germacrene D (13.3%), ( E)-β-farnesene (8.3%), nonacosane (7.3%), heptacosane (6.5%) and phytol (6%) were recognized as the main constituents for S, while caryophyllene oxide (17.7%), nonacosane (14.5%), germacrene D (11.5%), caryophyllene (11.2%) and heptacosane (10.3%) were the main compounds for G.

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