To analyze the chemical constituents of volatile oils from the fruit of Periploca forrestii Schltr.which were collected in Guizhou province.This volatile oils were extracted by simultaneous distillation extraction (SD...To analyze the chemical constituents of volatile oils from the fruit of Periploca forrestii Schltr.which were collected in Guizhou province.This volatile oils were extracted by simultaneous distillation extraction (SDE)and microwave assistant extraction(MAE) method,and ananlyzed by gas chromatography-mass spectrometry(GC-MS)method.The main chemical compounds were methyl salicylate,β-amyrin and β-amyrin acetate etc.The compounds from the volatile oils extracted with SDE and MAE are quite different.The results provide scientific proof for the further development and utilization of Periploca forrestii Schltr.展开更多
A method for determination of quercetin in 8 kinds of Chinese herbal medicines by capillary electrophoresis(CE) with microwave assisted extraction(MAE) was developed. These medicines include Hypericum periforatum, Sem...A method for determination of quercetin in 8 kinds of Chinese herbal medicines by capillary electrophoresis(CE) with microwave assisted extraction(MAE) was developed. These medicines include Hypericum periforatum, Semen cuscuta, Flos sophorae buds, Flos sophorae flowers, Herba euphorbiae humifusae, Acanthopanax, Ginkgo biloba L. leaves and Rhododendron dauricuml. The method is simple, rapid and with satisfactory recoveries and good reproducibilities.展开更多
文摘To analyze the chemical constituents of volatile oils from the fruit of Periploca forrestii Schltr.which were collected in Guizhou province.This volatile oils were extracted by simultaneous distillation extraction (SDE)and microwave assistant extraction(MAE) method,and ananlyzed by gas chromatography-mass spectrometry(GC-MS)method.The main chemical compounds were methyl salicylate,β-amyrin and β-amyrin acetate etc.The compounds from the volatile oils extracted with SDE and MAE are quite different.The results provide scientific proof for the further development and utilization of Periploca forrestii Schltr.
文摘A method for determination of quercetin in 8 kinds of Chinese herbal medicines by capillary electrophoresis(CE) with microwave assisted extraction(MAE) was developed. These medicines include Hypericum periforatum, Semen cuscuta, Flos sophorae buds, Flos sophorae flowers, Herba euphorbiae humifusae, Acanthopanax, Ginkgo biloba L. leaves and Rhododendron dauricuml. The method is simple, rapid and with satisfactory recoveries and good reproducibilities.
