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Indigo, historical dye collection of the Technical University of Dresden, Germany. The oldest known fabric dyed indigo, dated to 6,000 years ago, was discovered in Huaca Prieta, Peru. [9] Many Asian countries, such as India, China, Japan, and Southeast Asian nations have used indigo as a dye (particularly for silk) for centuries.
The dye chemical extracted from woad is indigo, the same dye extracted from "true indigo", Indigofera tinctoria, but in a lower concentration. Following the Portuguese discovery of the sea route to India by the navigator Vasco da Gama in 1498, great amounts of indigo were imported from Asia. Laws were passed in some parts of Europe to protect ...
Drying colored cloth Chemical structure of indigo dye, the blue coloration of blue jeans. Although once extracted from plants, indigo dye is now almost exclusively synthesized industrially. [1] A dye is a colored substance that chemically bonds to the substrate to which it is being applied.
Munjeet was an important dye for the Asian cotton industry and is still used by craft dyers in Nepal. [22] indigo Indigo is a deep blue derived from any of the indigo dye-bearing plants, primarily those in the genus Indigofera, especially true indigo (Indigofera tinctoria, also known as Indigofera sumatrana). [5] [6
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Blue colorants around the world were derived from indigo dye-bearing plants, primarily those in the genus Indigofera, which are native to the tropics. The primary commercial indigo species in Asia was true indigo (Indigofera tinctoria). India is believed to be the oldest center of indigo dyeing in the Old World. It was a primary supplier of ...
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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