Contact Lens                                                                                 Introduction, Manufacturing Process ,  Products, Applications, Company Profiles,  Market                                                      Primary Information Services                                                        Home. Ordering Information. Contact

Information @ a Glance


  • Carrageenans or carrageenins  are a family of linear sulphated polysaccharides extracted from red seaweeds.
  • Gelatinous extracts of the Chondrus crispus seaweed have been used as food additives for hundreds of years, though analysis of carrageenan safety as an additive continues.
  • Carrageenans are large, highly flexible molecules which curl forming helical structures.
  • There are three main commercial classes of carrageenan: Kappa, Iota , Lambda .

Manufacturing Process

  • Carrageenan is a collective term for polysaccharides prepared by alkaline extraction (and modification) from red seaweed (Rhodophycae), mostly of genus Chondrus, Eucheuma, Gigartina and Iridaea. Different seaweeds produce different carrageenans.
  • Carrageenan is also equivalent to agar, which is derived from red algae, and sometimes seaweed. The process is the same for producing agar as it is for making carrageenan. In both instances, the alga is boiled down to make a jelly substance.
  • Carrageenan is extracted from the seaweed by alkali treatment at high temperature. The extract is then purified and converted into powder.
  • Carrageenan is recovered by alcohol precipitation, by drum drying, or by freezing. The alcohols used during recovery and purification are restricted to methanol, ethanol, and isopropanol.


  • Carrageenans are used mainly for thickening, suspending and gelling. κ- and ι-carrageenans form thermoreversible gels on cooling in the presence of appropriate counter ions.
  • Carrageenans comes from algae or seaweed, and can be used as a thickening agent in place of animal-based products like gelatin, which is extracted from animal bones.
  • Carrageenans specifically tailored for water-thickening applications are usually lambda types or the sodium salt of mixed lambda and kappa.
  • Another major application of the gelling properties of carrageenans is in air freshener gels


  • At present the market is split into approximately 20 percent dairy and 80 percent meat applications, but this is likely to change with a gradual increase in the dairy foods market .
  • During the past few years, the total carrageenan market has shown a growth rate of 3% per year, reaching estimated worldwide sales of 310 million US$ in 2000.
  • The market for carrageenan is expected to grow steadily at about 4 percent this year, with supply and demand in alignment.
  • Carrageenan prices are estimated at $3.50 to $4.50 per pound, depending on grade

Entrepreneur who want the information such as " Introduction, Manufacturing Process ,  Products, Applications, Company Profiles,  Market" about Carrageenans  can  Email as to,                                                                                                     

Primary Information Services
 21 Murugappan St, SwamyNagar Ext2, 
Ullagaram, Chennai - 600091, India.
 Phone: 91 44 22421080 
Email :,
Mobile numbers:9940043898, 9444008898  Fax : 91 44 22423753