Compared with terrestrial plants, seaweed contains more bioactive substances, including natural pigments, polysaccharides, dietary fiber, polyunsaturated fatty acids, vitamins, iodine, iron and other mineral elements.
Seaweed is rich in dietary fiber, and the fiber content in seaweed accounts for about 30%~65% of dry weight. Eating seaweed rich in dietary fiber can promote intestinal health. Sea cabbage is rich in iron; Carrageenan is rich in manganese and zinc. Seaweed is also rich in vitamins, including vitamins A, B2, B 12, C and E, etc.
Extended data
There are two common edible seaweed foods in the market:
One kind is seaweed directly processed food, mainly seaweed products processed by purification, softening, ripening, sterilization, dehydration, molding and other processes, which can be eaten directly or after rehydration. For example, laver, a popular snack food in the market, is processed laver.
The other is to extract effective components from seaweed, or to use simply processed seaweed as additives to produce food, such as alginate, carrageenan, agar and so on.
People's Health Network-What do you know about eating seaweed?