Laver is a red alga plant that grows on rocky reefs in shallow seas. It is reddish purple, greenish purple, and dark purple, but all turn purple when dried. It is used for cooking delicacies. Laver contains up to 29 to 35 percent protein, iodine, a variety of vitamins, and inorganic salts. It tastes delicious. Besides eating, it can also be used to treat goiter and lower cholesterol. 20g pure laver is an economically important seaweed, widely distributed throughout the world, but mostly in temperate regions.
With the gradual maturity of laver culture technology and continuous variety enrichment, the yield of laver culture in China is also increasing. According to the statistics of the China Fishery Statistical Yearbook, the yield of laver culture in China showed an upward trend from 2013 to 2020, and the yield of laver culture in China will rise to 222,000 tons in 2020. The year-on-year growth was 4.57 percent.
Laver is an important artificially cultivated crop in China, which is a major consumer and producer of laver. laver breeding industry is distributed in Fujian, Zhejiang, Jiangsu, Guangdong, and Shandong provinces. laver is mainly used as soup feed, main feed of other food, and seasoning of meat.