An efficient and refined method for the separation of six aconitine-type alkaloids from the alkaline prepared "Kusnezoff monkshood root" was extablished. It is the first study that two new lipo-alkaloids were successfully isolated from refined sample by pH-zone-refining counter-current
To establish HPLC-MS/MS method for simultaneous determination of 14 toxic or active components in Fuzi formula granules, and further analyze the quality consistency of 29 batches of formula granules by considering the cluster analysis (CA), principal component analysis (PCA), and partial least
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