Iodine from seaweed is used in salt industry in China

With the increase of people's health concept, more and more natural healthy food appear in people's sight. The addition of seaweed iodine in salt not only meets the needs of human body function, but also satisfies the modern people's pursuit of quality life. There are many methods for determination and extraction of iodine from seaweed and preparation of seaweed iodized salt. The authors reviewed the measurement of seaweed iodine and the preparation of seaweed iodized salt. This will help to understand and appreciate the seaweed iodine extraction and the preparation of seaweed iodized salts. Key words: Seaweed iodine; Salts; Seaweed iodized salt