Comparative analysis of essential oil composition from flower and leaf of Magnolia kwangsiensis Figlar & Noot.

The essential oils from Magnolia kwangsiensis Figlar & Noot. were obtained using hydrodistillation, and analysed by GC and GC–MS. A total of 31, 27 and 26 constituents were identified in the oils from male flower, female flower and leaf of M. kwangsiensis, and they comprised 99.2, 98.5 and 96.2% of the oils, respectively. Monoterpene hydrocarbons predominated in the oils and accounted for 48.3% of male flower oil, 54.0% of female flower oil and 44.6% of leaf oil. The compositions of flower oils were quite similar but with different content, and were different from those of leaf oil.