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Abstract:
The essential oils of the leaves of Juniperus chinensis varieties (J. chinensis L., J. chinensis var. globosa, J. chinensis var. horizontalis, J. chinensis var. kaizuka, J. chinensis var. sargentii) were extracted by hydrodistillation and then analyzed by GC and GC-MS in combination with retention indices. The approximately 21 components, representing 88.45-92.25 % of the total components, were identified. The simplest oil was found in J. chinensis var. kaizuka (13 components) and the most complex oil was J. chinensis var. holizontalis (18 components). Furthermore, the essential oils consisted mainly of monoterpenes including bornyl acetate (15.26-44.31 %) and sabinene (3.61-28.35 %).