NR and HR essential oils contained a complex mixture consisting mainly of sesquiterpene
hydrocarbons (60.2% and 64.8%, resp.), oxygenated sesquiterpenes
(6.8% and 13.4%, resp.), and monoterpene hydrocarbons (6.0% and 1.5%, resp.).
Ohizumi, "Structural determination of nootkatol, a new sesquiterpene
isolated from Alpinia oxyphylla miquel possessing calcium-antagonistic activity," Journal of Pharmaceutical Sciences, vol.
lactone compounds have been shown to inhibit NF-[kappa]B activation in various cancer cells .
Here, the cytotoxic activity of a sesquiterpene
coumarin, conferone, isolated from Ferula szwitsiana was investigated in human colorectal adenocarcinoma cell line (HT-29).
On the other hand sesquiterpenes
are particularly abundant in the oil of C.
Lactones and Other Constituents from Tanacetum parthenium.
2009) while caryophyllene oxide an oxygenated sesquiterpene
was identified in healthy (11.25%) and naturally infected A.
These chemicals include, e.g., terpenes (monoterpenes and sesquiterpenes
), phenylpropanoids, compounds containing nitrogen and sulfur, and aromatic compounds (BAKKALI et al., 2008).
For each sesquiterpene
, the Kovats Retention Index (RI) was compared with the RI calculated from synthetic chemicals when commercially available [RI = 1358, 1391, 1442, 1477, 1532 for [alpha]-cubebene (Bedoukian Research Inc., Danbury, Connecticut), [alpha]-copaene (Fluka Analytical, Stenheim, Germany), [beta]-caryophyllene (Sigma Chemical Co., St.
This genus including some Iranian species has been studied chemically and present of monoterpenes (16), sesquiterpenes
(17,18), especially sesquiterpene
lactones (19,20) and essential oils (21-25) were reported.
lactones from Vernonia scorpioides and their in vitro cytotoxicity.
Germacrene D, a common sesquiterpene
in the genus Bursera (Burseraceae).