Keywords Gymnogongrus flabelliformis;Corallina pilulifera;Polysiphonia sp.;Rhodomela confervoides;chemical constituent;bioactivity;structure elucidation;diabetes;

• 扇形叉枝藻;小珊瑚藻;多管藻;松节藻;化学成分;生物活性;结构鉴定;糖尿病;