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[Isolation and structure identification of a new isoflavone from Psoralea corylifolias]
1Department of Resource Science of Chinese Medicines, China Pharmaceutical University, Nanjing 210038, China.
Aim:
To study the chemical constituents of the fruits of Psoralea corylifolia L.
Methods:
The constituents were separated and purified by column chromatography with normal phase silica gel and polyamide. Their structures were identified on the basis of physical and spectral data (MS, NMR, HMBC and HMQC).
Results:
Six compounds were isolated and identified as psoralen (1), isopsoralen (2), bavachalcone (3), psoralidin (4), daidzin (5) and bavadin (6).
Conclusion:
Compound 6 is a new compound. Compound 5 was isolated from this plant for the first time.
