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Purpurin extracted from common madder could replace cobalt in lithium-ion batteries.
Rubia tinctorum, the common madder or dyer's madder, is a plant species in the genus Rubia.
Rubia cordifolia, often known as Common Madder or Indian Madder, is a species of flowering plant in the coffee family, Rubiaceae.
In medieval Europe, purple, violet, murrey and similar colors were produced by dyeing wool with woad or indigo in the fleece and then piece-dyeing the woven cloth with red dyes, either the common madder or the luxury dyes kermes and cochineal.
Bengal Madder, Dyer's Madder, Farberrote, Garança, Garance, Indian Madder, Robbia, Rubia, Rubia tinctorum, Rubiae Tinctorum Radix.
Red dye for the clothing of ordinary people was made from the roots of the rubia tinctorum, the madder plant.
Purpurin occurs in the roots of the madder plant (Rubia tinctorum), together with alizarin (1,2-dihydroxyanthraquinone).
Rose Madder, the pigment, is derived from a herbaceous perennial called Rubia Tinctorum L.
It is one of ten dihydroxyanthraquinone isomers and occurs in small amounts (as a glycoside) in the root of the madder plant, Rubia tinctorum.
Red dyes can be made from roots of lady's bedstraw (Galium verum) and roots of madder (Rubia tinctorum).
It is called Field Madder because of its resemblance to Madder (Rubia tinctorum), which is a better known dye plant of the same botanical tribe.
He also studied - between Helvoetfluys and the Brill - the production of madder,Rubia tinctorum, used in dyeing and 'took some minutes of it down upon the spot.'
Madder (Rubia tinctorum) and related plants of the Rubia family are native to many temperate zones around the world, and have been used as a source of good red dye (rose madder) since prehistory.
Here he obviously considered the pharmaceutical value of this plant important enough to include an illustration, and he felt the economic significance of Rubia tinctorum, madder, warranted an engraving by John Sebastian Miller, from Hortus Cliffortianus.
Red is obtained from the roots of the madder plant (rubia tinctorum) and also from the crushed bodies of female insects of the coccus cacti genus, which produce a colour usually referred to as cochineal or carmine red.
Bengal Madder, Dyer's Madder, Farberrote, Garança, Garance, Indian Madder, Robbia, Rubia, Rubia tinctorum, Rubiae Tinctorum Radix.
The painters of the early Renaissance used two traditional lake pigments, made from mixing dye with either chalk or alum, kermes lake, made from kermes insects, and madder lake, made from the rubia tinctorum plant.
As for the stripes, the researchers have determined that the red comes from cochineal, a dye made from the dried bodies of female cochineal insects found in Mexico and the American Southwest, plus madder, or Rubia tinctorum, a plant probably grown in the Netherlands or France.