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HSCCC chromatogram of ethyl acetate extract of A. officinarum Hance. Solvent system: petroleum ether–ethyl acetate–methanol–water (0.8 : 1 : 1 : 0.8, v/v); revolution speed: 850 r/min; flow rate: 2.0 mL/min; sample size: 270 mg; UV detection wavelength: 254 nm.
