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. Author manuscript; available in PMC: 2019 Sep 28.
Published in final edited form as: J Nat Prod. 2018 Sep 10;81(9):1962–1967. doi: 10.1021/acs.jnatprod.8b00131

Figure 1.

Figure 1.

Red clover contains progesterone antagonists. A–C) Progesterone-response element (PRE/Luc) activity in Ishikawa cells stably expressing progesterone receptor B. Cells were treated with red clover extract (A and B), and subsequent HPLC fractions (C) at 60 μg/mL. Significantly different from Control (DMSO), ***p<0.001, ****p<0.0001, n≥3.