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LC-MS spectra of nine chemical analytes in SHXXT. (A) resveratroloside—ESI(+), (B) sennoside A—ESI(–), (C) baicalin—ESI(–), (D) coptisine—ESI(+), (E) palmatine—ESI(+), (F) berberine—ESI(+), (G) rhein—ESI(–), (H) aloe-emodin—ESI(–), and (I) wogonin—ESI(–) were shown.
