Essential oil of Coleus aromaticus Benth. from India

The essential oils of Coleus aromaticus distilled in different seasons have been analyzed by capillary GC and GC/MS. The oils were found to contain carvacrol (53.0-67.0%), p-cymene (6.5-12.6%) and gamma-terpinene (5.9-15.5%) as major constituents. The oil produced in September was found to contain h...

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Bibliographic Details
Published in:The Journal of essential oil research 1999-11, Vol.11 (6), p.742-744
Main Authors: Mallavarapu, G.R, Rao, L, Ramesh, S
Format: Article
Language:English
Subjects:
carvacrol
chemical constituents of plants
Coleus aromaticus
essential oil composition
essential oils
gamma-terpinene
Lamiaceae
leaves
p-cymene
Plectranthus
seasonal variation
γ-terpinene
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Summary:The essential oils of Coleus aromaticus distilled in different seasons have been analyzed by capillary GC and GC/MS. The oils were found to contain carvacrol (53.0-67.0%), p-cymene (6.5-12.6%) and gamma-terpinene (5.9-15.5%) as major constituents. The oil produced in September was found to contain higher contents of carvacrol and beta-caryophyllene and oxygenated constituents than the oil produced in May.
ISSN:1041-2905
2163-8152
DOI:10.1080/10412905.1999.9712009