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Episode details

World Service,24 Feb 1999,13 mins

The Colour Indigo

The Farming World

Available for over a year

Indigo is the only natural blue dye but it occurs in more than 500 plants around the world, including India, the West Indies, Central and South America, Nigeria and Japan. Indigo expert and author Jennifer Balfour-Paul explains its unique chemistry, history and anciet appeal.

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