Carrageenan no effects on organ pathology, clinical chemistry, hematology, or normal health. Dietary carrageenan had no carcinogenic, genotoxic, developmental, or reproductive effects in laboratory animals, and was found to be safe in one study on human infants. Carrageenan Carrageenans or carrageenins ( , from Irish "", "little rock") are a family of linear sulfated polysaccharides that are extracted from red edible seaweeds. They are widely used in the food industry, for their gelling, thickening, and stabilizing properties. Their main application is in dairy and meat products, due to their strong binding to food proteins. There are three main varieties of carrageenan,
Purple Ages, those who dyed blue fabric and red fabric were members of different guilds, and were forbidden to dye any other colors than those of their own guild. Most purple fabric was made by the dyers who worked with red, and who used dye from madder or cochineal, so Medieval violet colors were inclined toward red. Orcein, or "purple moss", was another common purple dye. It was known to the ancient Greeks and Hebrews, and was made from a Mediterranean lichen called archil or dyer's moss (Roccella tinctoria), combined with an ammoniac, usually urine. Orcein began to achieve popularity again