Estrogenic activity of constituents from the rhizomes of Rheum undulatum Linné

[Display omitted] Stilbenes have been reported to be phytoestrogen compounds owing to its structural similarity to the estrogenic agent diethylstilbestrol. To find new stilbene-derivative phytoestrogens, isolation of stilbene-rich R. undulatum was performed and led to identify six new compounds (1–5...

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