Difference between revisions of "Dyer's knotgrass"
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| − | [[File:knotweedpd1.jpg|thumb|Knotweed | + | [[File:knotweedpd1.jpg|thumb|Knotweed ''Polygonum spp.'']] |
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| − | ''Polygonum spp.'']] | ||
== Description == | == Description == | ||
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knotgrass blue; knotweed; ai (Jap.); Polygonum tinctoria; pileurt (Dan.); Knöteriche (Deut.); renouée (Fr.); duizendknoop (Ned.); rdest (Pol.); | knotgrass blue; knotweed; ai (Jap.); Polygonum tinctoria; pileurt (Dan.); Knöteriche (Deut.); renouée (Fr.); duizendknoop (Ned.); rdest (Pol.); | ||
| − | [[File:Polygonumwk1.jpg|thumb|Knotweed | + | [[File:Polygonumwk1.jpg|thumb|Knotweed ''Polygonum spp.'']] |
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| − | ''Polygonum spp.'']] | ||
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| − | + | ==Resources and Citations== | |
| − | + | * H.Schweppe, "Indigo and Woad", ''Artists Pigments'', Volume 3, E. West FitzHugh (ed.), Oxford University Press: Oxford, 1997. | |
| − | + | * S.Shimoyama, Y.Noda, S.Katshuhara, "Non-Destructive Analysis of Ukiyo-E Prints" ''Dyes in History and Archaeology'', No.15, Paper presented in Manchester England, Nov. 1996. | |
* Helmut Schweppe, Schweppe color collection index and information book | * Helmut Schweppe, Schweppe color collection index and information book | ||
| − | * Wikipedia | + | * Wikipedia: http://en.wikipedia.org/wiki/Knotgrass (accessed Oct. 2004) |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 12:54, 27 July 2022
Description
A natural dark blue dye obtained from the Polygonum tinctoria plant native to China, Japan and Manchuria. The colorant in dyer's knotwood is Indigotin. Traditionally in Japan, cloth was dyed in a hot water solution containing knotgrass and millet jelly (Mizuame) after which it was dipped in cold water to precipitate the indigotin (Shimoyama et al 1996).
Synonyms and Related Terms
knotgrass blue; knotweed; ai (Jap.); Polygonum tinctoria; pileurt (Dan.); Knöteriche (Deut.); renouée (Fr.); duizendknoop (Ned.); rdest (Pol.);
Resources and Citations
- H.Schweppe, "Indigo and Woad", Artists Pigments, Volume 3, E. West FitzHugh (ed.), Oxford University Press: Oxford, 1997.
- S.Shimoyama, Y.Noda, S.Katshuhara, "Non-Destructive Analysis of Ukiyo-E Prints" Dyes in History and Archaeology, No.15, Paper presented in Manchester England, Nov. 1996.
- Helmut Schweppe, Schweppe color collection index and information book
- Wikipedia: http://en.wikipedia.org/wiki/Knotgrass (accessed Oct. 2004)