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CARRAGEENANCAS: 9000-07-1Carrageenan, a natural hydrocolloid, is a powder extracted from various species of red algae that are farmed and processed. There are three fractions of carrageenan: kappa, iota, and lambda. Kappa carrageenan is used when a firm, rigid gel is desired. Iota carrageenan forms elastic and water retentive gels. Lambda carrageenan, on the other hand, has no gelling properties, but can produce the highest water viscosities among all the other carrageenan fractions.It is a common ingredient in many foods and gel-like products, and even has applications in biochemistry. Carrageenan is nearly identical to agar, another substance derived from several different species of red algae.Carrageenansare widely used in the food，plant culture, cosmetics industry as a suspending and emulsifying stabilizer, thickener, binder and gelling agent. The outstanding properties of this product make it a very versatile ingredient.