[PDF] informations municipales 1 janv. 2017 n° indigo :

What is indigo farming in India and Tirhut Indigo (Neel)?

• 2. Indigo farming in India and Tirhut Indigo (Neel) is a blue dye which comes from the Indigo plant. It was grown in India firstly for the East India Company and later for the British Raj. In the nineteenth century, it was one of the most profitable commodities traded in the European market. Hence, people also called it

When was Indigo made?

• Indigo synthesis was discovered in 1870 by Adolph von Bayer. It made it possible, for the first time, to synthetically produce indigo, one of the oldest and most important natural dyes. To-day, dyeing of jeans is still the main use of indigo. With an an-nual worldwide production of 30,000 tons,indigo is still the most used textile dye.

What was the Indigo rebellion?

• Suprakas Roy who has written the only comprehensive book to date on peasant rebellions in India, the indigo rebellion was a struggle against feudalism and colonial exploitation.84 Pramode Sengupta says the indigo revolt began as an economic struggle against the planters and in no time developed into a movement against the British government.85

How long does Indigo take to ferment?

• at least eight years.7 The eighteenth-century manufacturing process of indigo was rela- tively simple, though toilsome. The freshly cut plants were tossed into the steeping vat and covered with fresh water; then they were pounded with a heavy wooden instrument until they began to ferment.