Chemical Composition of Vernonia albicans Essential Oil from India
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作者:
Joshi, Rajesh K.
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Indian Council Med Res, Reg Med Res Ctr, Dept Phytochem, Belgaum 590101, Karnataka, IndiaIndian Council Med Res, Reg Med Res Ctr, Dept Phytochem, Belgaum 590101, Karnataka, India
Joshi, Rajesh K.
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机构:
[1] Indian Council Med Res, Reg Med Res Ctr, Dept Phytochem, Belgaum 590101, Karnataka, India
The chemical composition of the hydro-distilled essential oil obtained from the flowering aerial parts of Vernonia albicans DC. (Asteraceae) was analyzed by gas chromatography equipped with a flame ionization detector (GC-FID) and gas chromatography coupled with a mass spectrometry (GC/MS). Thirty-nine compounds have been identified, representing 97.5% of the total oil. The major constituents were beta-caryophyllene (34.3%), gamma-amorphene (19.5%), 9-epi-beta-caryophyllene (6.9%), and a-pinene (6.9%). The oil was found to be rich in sesquitetpene hydrocarbons (73.9%).