Natural dyes have been extracted from lichens for several hundred years. Lichen dyes produces red, blue, yellow, purple and brown colors on wool. Many of these dyes are strong-acid base indicators, such as litmus.
Synonyms and Related Terms
colorantes de líquenes (Esp.); corantes de líquenes (Port.)
Resources and Citations
- R.J. Adrosko, Natural Dyes in the United States, Smithsonian Institution Press, Washington, DC, 1968
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- John and Margaret Cannon, Dye Plants and Dyeing, Herbert Press, London, 1994