Carrageenan each plant weighs approximately 1 kg. The "E. cottonii" variety has been reclassified as "Kappaphycus cottonii" by Maxwell Doty (1988), thereby introducing the genus "Kappaphycus", on the basis of the phycocolloids produced (namely kappa carrageenan). After harvest, the seaweed is dried, baled, and sent to the carrageenan manufacturer. There the seaweed is ground, sifted to remove impurities such as sand, and washed thoroughly. After treatment with hot alkali solution (e.g., 5–8% potassium hydroxide), the cellulose is removed from the carrageenan by centrifugation and filtration. The resulting carrageenan solution is then concentrated by evaporation. It is dried and ground to specification.
Purple (government) Purple (government) Purple is a common term in politics for governments or other political entities consisting of parties that have red and blue as their political colours. It is of particular note in two areas: in the politics of the Netherlands and Belgium and in the politics of the United States. "Purple" () is the nickname of a government coalition of social democrats and liberals, excluding Christian democrats. It is derived from the combination of the colour of the social democrats (red) and liberals (blue). Both the Netherlands and Belgium have had such governments. In the Netherlands the two cabinets