Algae, one of the important marine organism, are rich of secondary metabolites owning novel structure and unique bioactive because of their special living environment. In order to search for new bioactive compounds from algae distributed in Chinese sea, three red algae were investigated. Also the Rhodomela confervoides which is widely distributed along coast of Qingdao, Shandong Province, was screened for its anti-diabetes activity in vivo.
26 compounds were isolated from EtOAc-solub...