超声提取中草药成分的动力学模型

Dynamic model of ultrasonic extract effective components from Chinese herb

根据Fick第一定律和中草药浸提机制,结合超声对植物细胞的破壁作用,建立了超声提取中草药有效成分的动力学模型.在不同提取时间和不同提取功率条件下,对银杏叶中黄酮成分进行了超声提取实验,实验结果与动力学模型结论一致.结果表明,在一定提取时间范围内,提取液浓度(lnc)与提取时间(lnt)呈线性关系.提取时间一定时,提取液浓度(lnc)与超声提取功率(lnP)具有线性关系.

Based on the Fick′s first law,the extraction mechanism of Chinese herb and the ultrasonic wave effect on broke plant cell crust,a dynamic model of ultrasonic extracting effective components from Chinese herb is presented.The experiment of extracting Ginkgo flavones from Ginkgo leaves under different time or different power is performed.The result is consistent with the conclusion of the dynamic model.It is shown that the relation between lnc and ln t or lnc and lnP are linear when the extract time is confin...