Abstract:

The essential oil of Cinnamomum japonicum leaves from different months was extracted by steam distillation，its content was in 0.25～0.6mL/100g and reached the high level until December.And then, the main components of the essential oil in December were identified as Spathulenol(13.522%),Caryophyllene(10.403%),Caryophyllene oxide(8.691%),3-Cyclohexene-1-methanol,.alpha.alpha.4-trimethyl-(8.293%) by GC-MS-DS,the strong antibacterial activities against Proteus vulgaris、Sarcina lutea、 Xanthomonas campestris、Erwinia carotorora were also proved.