Carrageenan is a kind of hydrophilic colloid, also known as kirin gum, Carrageenan gum, Carrageenan gum, Carrageenan gum, because Carrageenan is a hydrophilic colloid extracted from red algae seaweed such as kirin, Carrageenan, Carrageenan. Its chemical structure is composed of galactose and dehydrated galactose composed of calcium, potassium, sodium, ammonium salts. Due to the different binding forms of sulfate, it can be divided into K type (Kappa), I type (Iota) and L type (Lambda). Widely used in the manufacture of jelly, ice cream, pastry, soft candy, canned, meat products and so on.