Difference between revisions of "Chay root"
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Revision as of 11:02, 13 June 2013
Description
A natural red dye extracted from the root of the chay plant, Oldenlandia umbellata (or Hedyotis umbellata), that is found in the sandy plains of India and southeast Asia. Chay root was used for dying fabrics. The principle colorants are anthragallol-1,3-dimethyl ether, anthragallol-1,2-dimethyl ether and alizarin. It has good lightfastness.
Synonyms and Related Terms
Oldenlandia umbellata; Hedyotis umbellata ;Natural Red 6; Indian madder; robbia indiana (It.)
Additional Information
H.Schweppe, J.Winter, "Madder and Alizarin", Artists Pigments, Volume 3, E. West FitzHugh (ed.), Oxford University Press: Oxford, 1997.
Authority
- Ralph Mayer, Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Artists' Pigments: A Handbook of their History and Characteristics, Elisabeth West FitzHugh, Oxford University Press, Oxford, Vol. 3, 1997 Comment: H.Schweppe, J.Winter, "Madder and Alizarin",
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000