Carrageenan is always using as a food thickeners. Its e number is E407 as a food additive. Carrageenan has a wildly use in our daily life. Foodchem has 3 kinds of carrageenan, one is Kappa Refined Carrageenan, one is Kappa Semi-Refined Carrageenan, the last is lota Semi Refined Carrageenan. Foodchem is a carrageenan manufacturer in China, you can login our carrageenan page to get more informations.