Columnidin

Columnidin is an orange red pigment, belonging to the 3-deoxyanthocyanidins[2] found in red-flowered western-hemisphere gesneriad species such as episcias, columneas, sarmientas, and sinningias.

Columnidin
Names
IUPAC name
2-(3,4-Dihydroxyphenyl)-5,7,8-trihydroxychromenium
Other names
5,7,8,3′,4′-pentahydroxyflavylium[1]
Identifiers
3D model (JSmol)
ChemSpider
Properties
C15H11O6
Molar mass 287.244
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

The columnidin is named after the gesneriad genus Columnea in which it is found,[3] notably in Columnea hybrida.[4]

References
  1. Comparative biochemistry of flavonoids—II. : 3-Desoxyanthocyanins and their systematic distribution in ferns and gesnerads. J.B. Harborne, Phytochemistry, Volume 5, Issue 4, July 1966, Pages 589-600
  2. "Gesneriaceae and Scrophulariaceae : Robert Brown and now, Anton Weber, 2004" (PDF). Archived from the original (PDF) on 2015-09-24. Retrieved 2009-08-26.
  3. Sinningia Pollinators
  4. "Studies on columnidin biosynthesis with flower extracts from Columnea hybrida, Stich, K.; Forkmann, G.; Z. Naturforsch. C 43, 311-314 (1988)". Archived from the original on 2012-10-25. Retrieved 2009-08-26.
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