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A typical HPLC profile of EARC (ethyl acetate extract of rhizoma Cimicifugae). Syltech P510 HPLC system (Los Angeles, California, USA), Dikma Diamonsil C18 (250 mm × 4.6 mm, 5 μm size) (Beijing, China), acetonitrile-0.5% acetic acid in water (17:83, v: v), 1.0 mL/min flow rate, 30 μL injection, 316 nm wavelength.
