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Abstract
The volatile constituents of the oil extracted from the leaves and flowers of Nepeta haussknechtii Bornm. were isolated through a hydrodistillation method and then analyzed by GC and GC-MS. The identified components accounted for 98.9%, 99%, of the leaves and flowers, The leaf oil was found to contain 26 components and the flower oil contained 25. The major constituents of the leaf oil were germacrene D (32%), and caryophyllene oxide (16.5%), and the main components of the flower oil were germacrene D (41.5%),, E-caryophyllene (20.2%) and thymol (7.7%).