Question

How was indigo produced?​

Answer 1

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To start with, the harvested leaves of the Indigofera plant have to be soaked in water to let the indican (an amino acid) contained therein release glucose. The freed indican soon starts to ferment with the other plant enzymes. As a result, the water turns yellow after several days.While the production of indigo dye was an arduous process, importing it to the European royal courts, where the beautiful blue was in such high demand, was even more cumbersome and above all expensive.

Answer 2

Answer:

Where??

Most natural indigo dye for sale comes from the leaves of Indigofera tinctoria. This plant is tender to frost and grows best in the tropics, thriving in hot and humid places with fertile soil. It is commercially grown in India, El Salvador, Vietnam and some other countries.

How??

Historically, indigo was a natural dye extracted from the leaves of certain plants, and this process was important economically because blue dyes were once rare. A large percentage of indigo dye produced today, several thousand tons each year, is synthetic.

Explanation:

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