Cudbear

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Description

A violet color natural dye obtained from lichens. Cudbear in the name given to the dye by a Scottish chemist, C. Gordon after he discovered, then patented, the process for making it in the 18th century. Previously, the dye, Archil, had been produced in Italy by a secret process for several hundred years. Cudbear is the source of litmus dye.

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