1. People with diarrhea in loose stool should not eat Undaria pinnatifida. Although many people like to eat dried Undaria pinnatifida, we must be careful in different situations. After knowing who is not suitable for eating dried Undaria pinnatifida, we can better match our diet and make our bodies healthier and healthier.

2. Undaria pinnatifida is often called "vegetables in the sea" in some countries in Europe and America. Indeed, seaweed drifting in the sea can really remind people of vegetables on land. Undaria pinnatifida, like land plants, forms its own carbohydrate through photosynthesis (land plants is cellulose, Undaria pinnatifida is polysaccharide such as alginic acid and alginate), and protein is directly produced through nitrogen assimilation, just like vegetables. But if we carefully observe its life history, we will find that Undaria pinnatifida is very different from terrestrial plants.