National Natural Science Foundation of China(Grant No.81073005);Shandong Province Young and Middle-Aged Scientists Research Awards Fund(Grant No.BS2010YY032);Scientific Research Foundation for Returned Overseas Scholars,Ministry of Education of China(Grant No.42);Innovation Project of Shandong University(Grant No.2012TS102)
In the present study, we aimed to detect and quantify cyclo-dopa amides in Portulaca oleracea L. Together with four known ones (oleracein A-D), we further identified eight new cyclo-dopa amides, named oleracein H-O,...