Difference between revisions of "Rhubarb"
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== Description == | == Description == | ||
| − | A natural yellow dye obtained from the roots of the rhubarb plant (''Rheum rhaponticum'') native to North America. Rhubarb extract gets its yellow color primarily from the colorant [ | + | A natural yellow dye obtained from the roots of the rhubarb plant (''Rheum rhaponticum'') native to North America. Rhubarb extract gets its yellow color primarily from the colorant [[chrysophanic%20acid|chrysophanic acid]]. The major component in the plant is [[calcium%20oxalate|calcium oxalate]]. other minor components include emodin, mucilage, resins, rheumic acid, and aporhetin. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | pieplant; CI 75400; Natural Yellow 23; chrysophanic acid; rabarber(Dan., Ned., Sven.); Gemeine Rhabarber (Deut.); ruibarbo (Esp.); rhubarbe (Fr.); rabarbraplanten (Nor.); | + | pieplant; CI 75400; Natural Yellow 23; chrysophanic acid; rabarber(Dan., Ned., Sven.); Gemeine Rhabarber (Deut.); ruibarbo (Esp.); rhubarbe (Fr.); rabarbraplanten (Nor.); CAS 481-74-3 |
| − | + | ==Resources and Citations== | |
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* Helmut Schweppe, Schweppe color collection index and information book | * Helmut Schweppe, Schweppe color collection index and information book | ||
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "rhubarb" | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "rhubarb" [Accessed May 6, 2002]. |
* Colour Index International online at www.colour-index.org | * Colour Index International online at www.colour-index.org | ||
| − | * Wikipedia | + | * Wikipedia: http://en.wikipedia.org/wiki/Rhubarb (Accessed Mar. 20, 2006) -for non-English terms |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 15:02, 25 August 2022
Description
A natural yellow dye obtained from the roots of the rhubarb plant (Rheum rhaponticum) native to North America. Rhubarb extract gets its yellow color primarily from the colorant Chrysophanic acid. The major component in the plant is Calcium oxalate. other minor components include emodin, mucilage, resins, rheumic acid, and aporhetin.
Synonyms and Related Terms
pieplant; CI 75400; Natural Yellow 23; chrysophanic acid; rabarber(Dan., Ned., Sven.); Gemeine Rhabarber (Deut.); ruibarbo (Esp.); rhubarbe (Fr.); rabarbraplanten (Nor.); CAS 481-74-3
Resources and Citations
- Helmut Schweppe, Schweppe color collection index and information book
- Encyclopedia Britannica, http://www.britannica.com Comment: "rhubarb" [Accessed May 6, 2002].
- Colour Index International online at www.colour-index.org
- Wikipedia: http://en.wikipedia.org/wiki/Rhubarb (Accessed Mar. 20, 2006) -for non-English terms