Carrageenan
Carrageenan (also called carrageen gum) is a kind of natural polysaccharide hydrophilic gum extracted from the sea plant red seaweed. It is usually in the form of white or bit yellow powder, free of smell or taste. Carrageenan gel is heat reversible. Carrageenan can melt into solution after being heated and the solution can coagulate into gel after being cooled. Carrageenan has good water-solubility. It begins to melt at 70°C and completely melts at 80°C. It also has good stability, long-term placement may not reduce the intensity and viscosity. It does not hydrolyze in neutral and alkaline solution, even being heated. When used in combination with konjac gum, locust bean gum and xanthan gum, it can functions as strong coordinator and reinforce, distinctly altering the gel characteristics and making the gel elastic and water-keeping. Carrageenan is extensively applied in food, medicine, chemical industry for daily supplies, biological chemistry, building paints, textile printing and agriculture. In food industries, Carrageenan is widely applied in the field of the food industries and daily chemistry industries and medical research etc. In daily chemistry industries, it can be used to the agent for toothpaste, detergent, cosmetics and air clarifier agent and so on.
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