Carrageenan carrageenan were estimated at $640 million. The largest producer of industrial carrageenan was the Philippines, where cultivated seaweed produces about 80% of the world supply, while China is the main exporter to global markets in the US and Europe. The most commonly used sources are "E. cottonii" ("Kappaphycus alvarezii", "K. striatum") and "E. spinosum" ("Eucheuma denticulatum"), which together provide about three-quarters of the world production. These grow from the sea surface to a depth of about 2 metres. The seaweed is normally grown on nylon lines strung between bamboo floats, and it is harvested after three months or so, when
Shades of purple status of Durham as a County Palatine. Dark purple is the dark tone of purple. The source of this color is: ISCC-NBS Dictionary of Color Names (1955)--Color sample of Dark purple (color sample #225). If the visible spectrum is wrapped to form a color wheel, purple appears midway between magenta and violet: Shades of purple There are numerous variations of the color purple, a sampling of which are shown below. In common English usage, "purple" is a range of hues of color occurring between red and blue. In color theory, "purple" colors are any colors on the line of purples