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What are indigo dyes and how are they made?

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Answered 2008-02-26 22:30:40

Indigo is a distince blue color, and the dyes have a long history of manufacture and use. Certainly there are synthetically manufactured today as opposed to being made with Indigo tinctoria and I. suifruticosa and other legumes as they were "back in the day" when they were first being used. Links are provided to a couple of articles posted by our friends at Wikipedia, where knowledge is free.

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