There are rich substances in Laminaria japonica aresch which have biological activity,such as algin,fu-coidan and laminaran.

• 海带中富含功能性物质,其中海带多糖主要包括褐藻胶、褐藻糖胶、褐藻淀粉三种,其分离提取工艺还不是太成熟。