Research Article

Strategic Combination of Isocratic and Gradient Elution for Simultaneous Separation of Polar Compounds in Traditional Chinese Medicines by HPLC

Figure 2

Comparison of the relative contents of the 14 LSW components in the ethanolic and aqueous extraction liquors of LSW. The peaks 1, 10, 11, 12, 13, and 14 correspond to 5-hydroxytryptamine, bufotalin, cinobufotalin, bufalin, cinobufagin, and resibufogenin, respectively.