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,
Morinda tinctoria dyeing of cotton, silk and wool in shades of red, chocolate or purple. The colouring matter is found principally in the root bark and is collected when the plants reach three to four years of age. If the trees are allowed to mature then hardly any colouring substance remains. The small roots yield the most dye and those above about 1 cm diameter are discarded. The active substance is extracted as the glucoside known as morindin that upon hydrolysis produces the dye. Morindone is a mordant dye giving a yellowish-red colour with an aluminium mordant, chocolate with a chromium mordant,