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Indigo dye is an organic compound with a distinctive blue color. Indigo is a natural dye extracted from the leaves of some plants of the Indigofera genus, in particular Indigofera tinctoria. Dye-bearing Indigofera plants were commonly grown and used throughout the world, particularly in Asia, with the production of indigo dyestuff economically ...
Indigo: Indigo blue Vat blue 1 73000 indigoid 482-89-3: Indigo carmine (synthetic) Indigo Acid blue 74 73015 indigoid 860-22-0: Indigo carmine (natural) Natural blue 2 Food blue 1 75781 natural 860-22-0: Indocyanine green: Cardiogreen cyanine 3599-32-4: Induline: Solvent blue 7 50400 azine 8004-98-6: Iodine green 42556 triarylmethane 33231-00-4 ...
The Maya blue pigment is a composite of organic and inorganic constituents, primarily indigo dyes derived from the leaves of anil (Indigofera suffruticosa, called ch'oj in Mayan [1]) plants combined with palygorskite, a natural clay and type of fuller's earth.
The indigo dyeing process is centred in the Naju area, where regular flooding of the Yeongsan River provides an ideal wetland environment for the indigo plant. [2] The plants are harvested in July, before they flower, and the leaves are stored in earthenware jars of water for several days to extract the pigment.
Traditional dyes of the Scottish Highlands are the native vegetable dyes used in Scottish Gaeldom. The following are the principal dyestuffs with the colours they produce. Several of the tints are very bright, but have now been superseded for convenience of usage by various synthetic dyes.
The majority of plant dyes, however, also require the use of a mordant, a chemical used to "fix" the color in the textile fibres. These dyes are called adjective dyes or "mordant dyes". By using different mordants, dyers can often obtain a variety of colors and shades from the same dye, as many mordants not only fix the natural dye compounds to ...
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Red, White, and Black Make Blue: Indigo in the Fabric of Colonial South Carolina Life (University of Georgia Press; 2013) 140 pages; scholarly study explains how the plant's popularity as a dye bound together local and transatlantic communities, slave and free, in the 18th century. Grohmann, Adolf. Färberei and Indigofabrikation in Grohmann, A ...
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