Difference between revisions of "Goldthread"
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| + | [[File:Uemura 09-10-2009 296.jpg|thumb| Silk dyed with goldthread in visible light]] | ||
| + | [[File:Uemura 09-10-2009 296 UV.jpg|thumb| Silk dyed with goldthread in UV light]] | ||
| + | == Description == | ||
| + | |||
| + | A family of flowering plants of the family Coptis native to Asia and North America. The roots of the plants contain significant amounts of the yellow olorant 'berberine'. It can easily be extracted to produce a bright yellow dye that fluoresces brightly in ultraviolet light. | ||
| + | |||
| + | * See also [[https://cameo.mfa.org/wiki/Category:Uemura_dye_archive '''Uemera Dye Archive''' (Ouren)]] | ||
| + | |||
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | mouthroot | + | mouthroot; ''Coptis japonica''; Ouren (Jap.) |
| − | == | + | == Resources and Citations == |
* R.J. Adrosko, ''Natural Dyes in the United States'', Smithsonian Institution Press, Washington, DC, 1968 | * R.J. Adrosko, ''Natural Dyes in the United States'', Smithsonian Institution Press, Washington, DC, 1968 | ||
| − | + | * Wikipedia 'Coptis' at https://en.wikipedia.org/wiki/Coptis (accessed June 2020) | |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 11:53, 22 June 2022
Description
A family of flowering plants of the family Coptis native to Asia and North America. The roots of the plants contain significant amounts of the yellow olorant 'berberine'. It can easily be extracted to produce a bright yellow dye that fluoresces brightly in ultraviolet light.
- See also [Uemera Dye Archive (Ouren)]
Synonyms and Related Terms
mouthroot; Coptis japonica; Ouren (Jap.)
Resources and Citations
- R.J. Adrosko, Natural Dyes in the United States, Smithsonian Institution Press, Washington, DC, 1968
- Wikipedia 'Coptis' at https://en.wikipedia.org/wiki/Coptis (accessed June 2020)