 ISSN 0235-7216 ISSN 2424-4538 (online) |
2009 m. Nr. 2 GC / MS analysis of Echinophora platyloba DC. essential oil from Northwest Iran: a potential source of (Z)-b-ocimene and a-phellandrene
The hydrodistilled essential oil composition of air-dried aerial parts of Echinophora platyloba DC. from Northwest Iran was analysed by GC / MS. Thirtythree components were identified, comprising 91.9% of the volatile oil. Monoterpenes (89.6%) were the major class of identified components. Monoterpene hydrocarbons (84.8%) were the main subclass of volatiles, followed by oxygenated monoterpenes (4.8%). (Z)-β-ocimene (38.9%) and α-phellandrene (24.2%) were the principle monoterpene hydrocarbon constituents (sum 63.1%) of essential oil. Other monoterpene hydrocarbon components with amounts ≥ than 1% were p-cymene (7.4%), β-phellandrene (6.3%), α-pinene (3.4%) and myrcene (1.6%); γ-decalactone (1.7%) and linalool (1.2%) were the highlighted oxygenated monoterpene components of essential oil. Sesquiterpenes were the minor class of essential oil components, with spathulenol (0.5%) as their main representative. In total, E. platyloba DC. analysed essential oil was characterized as a monoterpene-rich oil and could be serve a potential source of (Z)-β-ocimene and α-phellandrene. Keywords: GC / MS, Echinophora platyloba DC., essential oil composition, (Z)-β-ocimene, α-phellandrene, p-cymene, β-phellandrene |
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