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Updated: Jan 17, 2026

Flavonoid Content During the Growth and Floral Development of Calendula officinalis L.
Published on: June 27, 2025
[Studies on flavonoids of Anaphalis sinica]
Yan Hua1, Li He, Han-qing Wang
1State Key Laboratory of OSSO, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, Gansu, China.
Objective:
To investigate the chemical constituents of Anaphalis sinica.
Method:
Various chromatographic techniques were employed for the isolation and purification of the constituents. The structures were elucidated by chemical and spectral analysis.
Result:
Six flavonoid compounds were isolated and identified as kaempferol, tiliroside, quercetin, quercetin -3-O-beta-D-glucosides, scutellarin, 5,7-dihydroxy-8-methoxyflavone and one pyrone were isolated and identified as helipyrone.
Conclusion:
All of these compounds was isolated from the plant for the first time.

