"Purpurin" Quotes from Famous Books
... a large section of Central Asia and Russia. With both the European and the Indian madders the roots of the plants are the only parts that yield the dye. In the roots three coloring matters are obtained: alizarin and purpurin, which are both red, and xanthin, which is yellow. Cochineal was introduced for dyeing purposes in 1856. It is the product of an insect called Coccus cacti, which lives on a species of cactus. Yellow is often produced from Persian ... — Rugs: Oriental and Occidental, Antique & Modern - A Handbook for Ready Reference • Rosa Belle Holt |