采用超声波-微波协同技术对丁香抗氧化活性物质提取工艺进行了优化,并对该技术高效提取机理进行了分析。结果表明,丁香抗氧化活性物质超声波-微波协同提取最佳工艺条件为:50%乙醇、液料比30 m L/g、超声波功率50 W、微波功率100 W、协...采用超声波-微波协同技术对丁香抗氧化活性物质提取工艺进行了优化,并对该技术高效提取机理进行了分析。结果表明,丁香抗氧化活性物质超声波-微波协同提取最佳工艺条件为:50%乙醇、液料比30 m L/g、超声波功率50 W、微波功率100 W、协同提取时间12 min。通过对比分析发现,超声波-微波协同对丁香抗氧化活性物质的提取效率显著高于水浴振荡提取(P<0.01);协同提取技术优势在于超声波和微波的协同作用,实现优势互补,从而对原料细胞结构破坏更严重,作用更充分,提高了提取效率。展开更多
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
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.
