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Contents

   



(Top)
  


1 Natural occurrences  




2 References  




3 External links  













Luteolin






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From Wikipedia, the free encyclopedia
  

Luteolin
The chemical structure of luteolin
Ball-and-stick model of Luteolin
Names
IUPAC name

3′,4′,5,7-Tetrahydroxyflavone

Systematic IUPAC name

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one

Other names

Luteolol
Digitoflavone
Flacitran
Luteoline

Identifiers

CAS Number

3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.007.038 Edit this at Wikidata

IUPHAR/BPS
KEGG

PubChem CID
UNII

CompTox Dashboard (EPA)

  • InChI=1S/C15H10O6/c16-8-4-11(19)15-12(20)6-13(21-14(15)5-8)7-1-2-9(17)10(18)3-7/h1-6,16-19H ☒N

    Key: IQPNAANSBPBGFQ-UHFFFAOYSA-N ☒N

  • InChI=1/C15H10O6/c16-8-4-11(19)15-12(20)6-13(21-14(15)5-8)7-1-2-9(17)10(18)3-7/h1-6,16-19H

    Key: IQPNAANSBPBGFQ-UHFFFAOYAY

  • C1=CC(=C(C=C1C2=CC(=O)C3=C(C=C(C=C3O2)O)O)O)O

Properties

Chemical formula

 C15H10O6
Molar mass 286.239 g·mol−1

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

☒N verify (what is checkY☒N ?)

Infobox references

Luteolin is a flavone, a type of flavonoid, with a yellow crystalline appearance.[1]

Luteolin is the main yellow dye from the Reseda luteola plant, used for dyeing since at least the first millennium B.C. Luteolin was first isolated in pure form, and named, in 1829 by the French chemist Michel Eugène Chevreul.[2][3][4] The luteolin empirical formula was determined by the Austrian chemists Heinrich Hlasiwetz and Leopold Pfaundler in 1864.[5][6] In 1896, the English chemist Arthur George Perkin proposed the correct structure for luteolin.[7] Perkin's proposed structure for luteolin was confirmed in 1900 when the Polish-Swiss chemist Stanislaw Kostanecki (1860–1910) and his students A. Różycki and J. Tambor synthesized luteolin.[8][9]

Natural occurrences[edit]

Luteolin is most often found in leaves, but it is also present in rinds, barks, clover blossoms, and ragweed pollen.[1] It has also been isolated from the aromatic flowering plant, Salvia tomentosa in the mint family, Lamiaceae.[10]

Dietary sources include celery, broccoli, artichoke, green pepper, parsley, thyme, dandelion, perilla, chamomile tea, carrots, olive oil, peppermint, rosemary, navel oranges, and oregano.[11][12] It can also be found in the seeds of the palm Aiphanes aculeata.[13]

References[edit]

  1. ^ a b Mann, John (1992). Secondary Metabolism (2nd ed.). Oxford, UK: Oxford University Press. pp. 279–280. ISBN 978-0-19-855529-2.
  • ^ Chevreul, M.E. (1829). "30e Leçon, Chapitre XI. De la Gaude. [30th lesson. Chapter 11. On Weld (i.e., the plant Reseda luteola, which provides a yellow dye)]". Leçons de Chimie Appliquée à la Teinture [Lessons on Chemistry Applied to Dyeing] (in French). Paris, France: Pichon et Didier. pp. 143–148. Chevreul named luteolin on p. 144: "J'ai fait des recherches sur la composition de la gaude, j'ai obtenu le principe colorant critalisé par sublimation; je l'ai nommé lutéolin." (I have done some research on the composition of weld; I obtained the principal colorant [which I] crystallized via sublimation; I have called it "luteolin".)
  • ^ Thomson, Thomas (1838). Chemistry of Organic Bodies. Vegetables. London, England: J.B. Baillière. pp. 415–416.
  • ^ However, Perkin claimed (without citing a source) that Chevreul had isolated luteolin as early as 1814–1815. See: Perkin, Arthur George; Everest, Arthur Ernest (1918). The Natural Organic Colouring Matters. London, England: Longmans, Green and Co. p. 4.
  • ^ Hlasiwetz, H.; Pfaundler, L. (1864). "Über das Morin, Maclurin und Quercitrin". Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe. (Part 2) (in German). 50: 6–59. ; see pp. 44–45.
  • ^ Hlasiwetz, H.; Pfaundler, L. (1865). "Ueber das Morin, Maclurin und Quercitrin" (PDF). Journal für praktische Chemie (in German). 94: 65–106. doi:10.1002/prac.18650940112. Hlasiwetz and Pfaundler melted quercitrin with potassium carbonate. Among the reaction's products, they found paradatiscetin, whose empirical formula they determined to be C15H10O6 (p. 94). They concluded that although luteolin and paradatiscetin were isomeric (i.e., had the same empirical formula), they were distinct compounds. From p. 94: "Das Luteolin scheint demnach wohl als isomer oder metamer mit unserer Substanz betrachtet werden zu können. Eine Identität beider liegt jedoch nicht vor, denn an einer Probe Luteolin fanden wir die charakteristischen Farben-reactionen nicht, welche das Paradatiscetin kaum verwechseln lassen." (Luteolin thus seems to be able to be regarded perhaps as an isomer or metamer of our substance [viz, paradatiscetin]. However, the two are evidently not identical, for upon a test of luteolin, we did not find the characteristic color reactions, which hardly allows paradatiscetin to be confused [with it].)
  • ^ Perkin, A. G. (1896). "Luteolin. Part II" (PDF). Journal of the Chemical Society. 69: 799–803. doi:10.1039/CT8966900799. See p. 803.
  • ^ Kostanecki, St. v.; Róžycki, A.; Tambor, J. (1900). "Synthese des Luteolins" (PDF). Berichte der Deutschen Chemischen Gesellschaft (in German). 33 (3): 3410–3417. doi:10.1002/cber.190003303121.
  • ^ Thorpe, Edward, ed. (1913). A Dictionary of Applied Chemistry. Vol. 5. London, England: Longmans, Green, and Co. pp. 747–748.
  • ^ A. Ulubelen; M. Miski; P. Neuman; T. J. Mabry (1979). "Flavonoids of Salvia tomentosa (Labiatae)". Journal of Natural Products. 42 (4): 261–63. doi:10.1021/np50003a002.
  • ^ Kayoko Shimoi; Hisae Okada; Michiyo Furugori; et al. (1998). "Intestinal absorption of luteolin and luteolin 7-O-[beta]-glucoside in rats and humans". FEBS Letters. 438 (3): 220–24. doi:10.1016/S0014-5793(98)01304-0. PMID 9827549. S2CID 10640654.
  • ^ López-Lázaro M. (2009). "Distribution and biological activities of the flavonoid luteolin". Mini Rev Med Chem. 9 (1): 31–59. doi:10.2174/138955709787001712. PMID 19149659.
  • ^ Lee, D; Cuendet, M; Vigo, JS; et al. (2001). "A novel cyclooxygenase-inhibitory stilbenolignan from the seeds of Aiphanes aculeata". Organic Letters. 3 (14): 2169–71. doi:10.1021/ol015985j. PMID 11440571.

    • External links[edit]


    Retrieved from "https://en.wikipedia.org/w/index.php?title=Luteolin&oldid=1218557205"
    Categories: 
    ●Flavones
     ●PDE4 inhibitors
     ●Flavonoid antioxidants
     ●GABAA receptor positive allosteric modulators
     ●3-Hydroxypropenals
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     ●Resorcinols
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