Comparison Analysis of Volatile Constituents of Pine Needles from Pinus Massoniana Lamb Planted in Different Area by GC-MS

Objective: The volatile constituents of pine needles from pinus massoniana lamb planted in different area were analyzed to research the constituents difference among the samples from different area.Methods: Pine needles from pinus massoniana lamb were gathered from 5 province,and the oil were extracted through steam distillation.Volatile oil were analyzed by gas—chromatography—mass spectrometry.Results: There were various compositions identified from every oil sample,and 7 oil compositions including Caryophyllene、(Z,Z,Z)-1,5,9,9-tetramethyl-1,4,7-cycloundecatriene、(+)-Epi-bicyclosesquiphellandrene and so on were contained in total 5 samples.Conclusion:The results reveal that the essential oil compositions of pine needles from pinus massoniana lamb planted in different area were similar but the contents of some compounds different greatly.