OBJECTIVE
To study the chemical constituents in the rhizoma of Iris dichotoma.
METHODS
The chemical constituents were isolated by various column chromatographic methods. The structures of the compounds were elucidated on the basis of physiochemical properties and spectral analysis.
RESULTS
Eleven
An on-line analysis method by HPLC-DAD coupled with chemiluminescence (CL) and ESI-Q-TOF-MS/MS was established for simultaneous detection and identification of antioxidants in three original plants of traditional Chinese medicine "She-gan". Two new isoflavonoid glycosides, along with 48 known
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