2. Agar, a product made from algae of Gracilaria and Gracilaria, is the most commonly used curing agent for microbial culture medium, and is also used in canned meat, fish and poultry, cosmetics, medicines and dental treatment. It is used as clarifier in brewing and wine industry, thickener in making ice cream, cake and salad seasoning, and lubricant in drawing.
3. Agar made of seaweed is translucent amorphous powder, flake or granule. Processing and production are mainly distributed in Shandong, Liaoning and Guangdong provinces. Agar has several different shapes, such as thin strips, long strips, thin slices and small pieces, and thin strips are the best. The foreign producing areas are Japan, Korea, New Zealand, the United States and Russia.