![]() Ai-iro means Indigo Blue which was in highly demand from Bushi and samurai Calss due to Indigos symbolic meaning. By the 18th century, the French and German governments were attempting to pass laws to restrict importation of the rival dye. The magic of blue believe it or not blue is a rare color in natural dyes And unlike other dyes, indigo requires a special environment to flourish - it. The Baeyer-Drewsen synthesis of indigo involves an interesting reaction series. Indigo dye is called Ai-zome in Japanese. Nevertheless, when the opening of trade routes with India in the 16th century threatened the lucrative woad industry with the importation of the far superior indigo dye, a battle began to discredit indigo and protect the local industry. Indigo is unlike most natural dyes in that it is not soluble in water to create a usable dye the pigment must be extracted from the leaves and combined. The fermentation required to process woad into balls for distribution produced a pungent ammonia odor. The plant strips the land of its nutrients and threatened starvation for the local farming populations. Woad was a major European industry since early medieval times but it was not without its consequences. In Roman times indigo was such a mysterious import that the dried bricks of dye were thought to be a stone.Īlmost identical version of the dye come from two different plants, the Indigofera tinctoria indigo plant of South Asia and the Isatia tinctoria woad plant which produces a weaker dye but could grow in the colder climate of Europe. Curious Corners is proud to offer Natural Indigo Dye Service in collaboration with Asai, the family-run dye house in Kyoto, Japan. The dark blue of indigo dye was much prized both for its color and its lightfast qualities (used, for instance, by Napoleon to outfit his army). As new sources for colors were found, entire trade routes and industries could become obsolete Place the indigo fabric into the washing machine when it is around half full with cold water. ![]() Even Paleolithic artifacts appear to include pigments not found in the immediate region. The story of colors is often a story of exploration and trade, commerce and nationalism. Indigo C16H10N2O5 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
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