Seaweed (Latin name: Seaweed), a plant of the red algae family Rhodophyta, is a snack food made from roasted seaweed with the addition of oil, salt and other seasonings. It is distributed along the coast of China, mainly along the coast of Jiangsu Province. It concentrates a variety of B vitamins in the nori, riboflavin and niacin content is particularly rich, but also contains a large amount of vitamin A and vitamin E, as well as a small amount of vitamin C, but also contains about 15% of minerals, such as potassium, calcium, magnesium, phosphorus, iron, zinc, copper, manganese, etc., which can help the body to maintain the acid-base balance of the organism.