Agar is a hydrophilic colloid, which is divided into strip and powder, insoluble in cold water and soluble in hot water. Agar is of unique importance in industry. Even if the concentration of agar is as low as 1%, it can still form a fairly stable gel (jelly), which is a necessary raw material for food industry, chemical industry and medical research.
Agar has extremely useful and unique properties in the application of food industry. Its characteristics are solidification, stability and other physical and chemical properties, and it can form complexes with some substances. It can be used as thickener, coagulant, suspending agent, emulsifier, preservative and stabilizer.
It is widely used to make granular oranges and various beverages, jellies, ice cream, cakes, soft sweets, canned food, meat products, eight-treasure porridge, tremella bird's nest, soup food, cold food and so on.
If you want to buy agar, it is recommended to buy it online. Fujian should be a relatively large producing area. Some companies specialize in producing agar and carrageenan. The website is: www.business-boom.com/html/index.htm. If you want to buy locally, you must go to a pharmaceutical company or a chemical store supermarket. Basically none, and the quality is not very pure!