Chemical and cytotoxic constituents from Peperomia sui

Three polyketide compounds, surinone A, surinone B, surinone C and one acylresorcinol, suranone, along with thirty known compounds, were isolated from the whole plant of Peperomia sui. Their structures were elucidated from spectral analysis. Several compounds showed cytotoxic activity against HONE-1 and NUGC-3 cell lines in vitro. (C) 2003 Elsevier Science Ltd. All rights reserved.