Journal
NATURAL PRODUCT RESEARCH
Volume 26, Issue 2, Pages 140-145Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2010.535150
Keywords
Origanum vulgare L.; Lamiaceae; essential oil; chemotypes; thymol; carvacrol; bornyl acetate; trans-caryophyllene
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The essential oils of four wild growing Origanum vulgare L. (family Lamiaceae) collected from different locations in Kumaon region (Uttarakhand, India) were analysed by capillary GC and GC/MS. The comparative results of O. vulgare L. collected from four different regions showed differences in the chemical constituents of the essential oils. The oil of O. vulgare L. collected from Dhoulchina and Champawat (chemotype I) shows p-cymene (6.7-9.8%), gamma-terpinene (12.4-14.0%), thymol (29.7-35.1%) and carvacrol (12.4-20.9%) as major constituents while the oil from Kilbury and Rushi village (chemotype II) shows linalool (6.7-9.7%), bornyl acetate (12.6-16.8%), beta-caryophyllene (10.5-13.8%) and germacrene D (6.3-11.3%) as the major constituents. These features highlight the chemosystematics of this genus.
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