Figure 3.
Representative overlaid extracted ion current (EIC) chromatograms of a mixed standard solution (A) and selected crude materials (PR4, B) by PWWE-TFC-LC-MS/MS. 6-HT, 6-hydroxy-1,2,3,7-tetramethoxyxanthone; LAN, lancerin; MAN, mangiferin; 7-MM, 7-O-methoxyl-mangiferin; SA5, sibiricose A5; SA6, sibiricose A6; P-IX, polygalaxanthone IX; P-IV, polygalaxanthone IV; P-VIII, polygalaxanthone VIII; P-VII, polygalaxanthone VII; TEB, tenuifoliside (B) TEN, tenuifolin; TEA, tenuifoliside A; 3,6′-DS, 3,6′-disinapoyl sucrose.