First of all, you are very familiar with this. Small fish like it very much. When it's complete, it's green and feathery. Its leaves are thinner than kelp. Its shape is like a big broken sunflower fan, and it's a bit like a skirt. So it's named.

　　Nutritional value: Undaria pinnatifida is rich in protein, vitamins and minerals, as well as alginate, mannitol, fucoidan, organic iodine, dietary fiber and other active ingredients that we don't understand. But the effect is very significant. It can reduce blood lipid, blood pressure, immune regulation, anti-tumor and other functions. The sporophyll of Undaria pinnatifida, that is, the seed of Undaria pinnatifida, is rich in fucoidan, which is an internationally recognized bioactive ingredient with anticancer effect. It is very popular in the Japanese market to fight cancer.