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Fungi

Lichens

What pigments produced by lichens are used in manufacturing?

Lichens are often strikingly colored, and their pigments are often extracted and used as natural dyes. The traditional method of manufacturing Scotland’s famous tweeds made use of fungal dyes; synthetic dyes are now commonly used. Orchil, used to dye woolens, is a pigment produced specifically by lichens. In addition, several species of the lichen Rocella (from Africa) were used to produce litmus, a widely used acid-base (pH) indicator.



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