Optimization of Extraction Process for Reynoutria Japonica Cream by Orthogonal Design
(Objective)High performance liquid chromatography was established to determine the content of canidin and emodin simultaneously,and the extraction process of medicine in ointment was selected through orthogonal test.(Methods)The contents of ridin and emodin were deter-mined by HPLC,and the content and extract rate were the main influencing factors of decocting,and the water extraction technique was pre-ferred.(Results)The best water lifting process of knotweed is:8 times water,soak for 45 min,decocting 3 times,30 min.(Conclusion)This method is simple and feasible.
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