The volatile from pine needles of Pinus yunnanensis was extracted by steam distillation. The chemical constituents of the volatile were analyzed by GC-MS and their rative contents was determined by area normalization....The volatile from pine needles of Pinus yunnanensis was extracted by steam distillation. The chemical constituents of the volatile were analyzed by GC-MS and their rative contents was determined by area normalization. 53 compounds were separated,50 of them were identified.These 50 compounds amounted totally to about 94% of the components in the volatile and 97.467% of the total peak area. The maior components of the volatile were palmitamide(16.581%)and germacrene D(15.045%).展开更多
文摘The volatile from pine needles of Pinus yunnanensis was extracted by steam distillation. The chemical constituents of the volatile were analyzed by GC-MS and their rative contents was determined by area normalization. 53 compounds were separated,50 of them were identified.These 50 compounds amounted totally to about 94% of the components in the volatile and 97.467% of the total peak area. The maior components of the volatile were palmitamide(16.581%)and germacrene D(15.045%).