孔石莼(ＵｌｖａｐｅｒｔｕｓａＫｊｅｌｌｍ)是一种大型绿藻,俗称海白菜、海菠菜、海莴苣等［１］,属绿藻门石莼科石莼属。它幼体绿色,成体碧绿色,生活在潮间带,广泛分布于西太平洋沿海,在我国野生藻类中资源极为丰富,是黄渤海产量最大的一种绿藻［３］。因其味美营养价值高, Ulvapertusa Kjellm is a kind of large-scale green algae commonly known as sea cabbage, sea spinach, and sea lettuce, etc. [1] belongs to the genus Chrysosporium of the family Chrysophyta. It is larvae green, adult green, living in the intertidal zone, widely distributed in the western Pacific coast, is extremely rich in natural resources in China’s wild algae, is the largest production of green algae in the Yellow Sea and Bohai Sea [3]. Because of its high nutritional value,