Antioxidant and anti-proliferative activity of Rhizoma Smilacis Chinae extracts and main constituents

► Different Rhizoma Smilacis Chinae (RSC) extracts were prepared and analysed by HPLC. ► The antioxidant activities of RSC extracts and their constituents were studied. ► The effects of RSC extracts and their constituents on HepG2 cells were studied.