3 resultados
OBJECTIVE
To study the isoflavonoids of Iris tectorum.
METHODS
The compounds were isolated by columm chromatography on silica gel and purified by Sephadex LH-20. Structures of these compounds were elucidated by spectral analysis and phytochemical properties.
RESULTS
Six isoflavonoids were isolated
This study investigated the use of ultrasound-assisted extraction (UAE) to improve the extraction efficiency of the classical solvent extraction techniques such as maceration extraction (ME) and soxhlet extraction (SE) to extract five isoflavones (tectoridin, iristectorin B, iristectorin A,
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