Studies on Water-Soluble Constituents in Radix Salvia miltiorrhizae by HPLC-ESI-MSⁿ

The water-soluble conpstituents in Radix salviamilitiorrhizae were studied by HPLC-MSⁿ. Seven compounds were identified comparing on retention time, m/z and MSⁿ data. They are Salvianolic acid H or Salvianolic acid I, Salvianolic and J, Salvianolic acid E, Salvianolic acid B, Salvianolic acid L, Salvianolic acid A and a–(2E)-3-(2R)-2-(3,4-dihydroxyp-henyl)-2,3-dihydro-7-hydroxy-4-benzofuranyl-1-oxo-2-propenyloxy-
3,4-dihydroxy-benzenepropanoic acid.