Astringina

 
Astringina
Nombre IUPAC
(2S,3R,4S,5S,6R)-2-[3-[(E)-2-(3,4-dihydroxyphenyl)ethenyl]-5-hydroxyphenoxy]-6-(hydroxymethyl)oxane-3,4,5-triol
Fórmula molecular ?
Identificadores
Número CAS 29884-49-9[1]​
ChEBI 2899
ChEMBL 358769
ChemSpider 4445028
PubChem 5281712
UNII 4ER6YKM4YL
KEGG C10245
O(c2cc(O)cc(\C=C\c1ccc(O)c(O)c1)c2)[C@@H]3O[C@@H]([C@@H](O)[C@H](O)[C@H]3O)CO
InChI=1S/C20H22O9/c21-9-16-17(25)18(26)19(27)20(29-16)28-13-6-11(5-12(22)8-13)2-1-10-3-4-14(23)15(24)7-10/h1-8,16-27H,9H2/b2-1+/t16-,17-,18+,19-,20-/m1/s1
Key: PERPNFLGJXUDDW-CUYWLFDKSA-N
Propiedades físicas
Masa molar 406.38 g/mol g/mol
Valores en el SI y en condiciones estándar
(25 ℃ y 1 atm), salvo que se indique lo contrario.
[editar datos en Wikidata]

La astringina, con fórmula química C20H22O9 es un estilbenoide. Es el glucósido del piceatannol. Se puede encontrar en la corteza de Picea sitchensis[2]​[3]​ o Picea abies.[4]​

También está presente en Vitis vinifera.[5]​ y en el vino.[6]​


Referencias

  1. ↑ Número CAS
  2. ↑ Stilbene glucosides in the bark of Picea sitchensis. Masakazu Aritomi, Dervilla M.X. Donnelly, Phytochemistry, Volume 15, Issue 12, 1976, Pages 2006–2008, doi 10.1016/S0031-9422(00)88881-0
  3. ↑ Astringin and isorhapontin distribution in Sitka spruce trees. Claudia D. Toscano Underwood and Raymond B. Pearce, Phytochemistry, Volume 30, Issue 7, 1991, Pages 2183–2189, doi 10.1016/0031-9422(91)83610-W
  4. ↑ Stilbenes and resin acids in relation to the penetration of Heterobasidion annosum through the bark of Picea abies. M. Lindberg, L. Lundgren, R. Gref and M. Johansson, European Journal of Forest Pathology, May 1992, Volume 22, Issue 2, pages 95–106, doi 10.1111/j.1439-0329.1992.tb01436.x
  5. ↑ Antioxidant Activity of the Stilbene Astringin, Newly Extracted from Vitis vinifera Cell Cultures. Jean-Michel Mérillon, Bernard Fauconneau, Pierre Waffo Teguo, Laurence Barrier, Joseph Vercauteren and François Huguet, Clinical Chemistry, June 1997, vol. 43, no. 6, pages 1092-1093 (article)
  6. ↑ Vitrac, Xavier; Bornet, Aurélie; Vanderlinde, Regina; Valls, Josep; Richard, Tristan; Delaunay, Jean-Claude; Mérillon, Jean-Michel; Teissédre, Pierre-Louis (2005). «Determination of Stilbenes (δ-viniferin,trans-astringin,trans-piceid,cis- andtrans-resveratrol, ε-viniferin) in Brazilian Wines». Journal of Agricultural and Food Chemistry 53 (14): 5664-9. PMID 15998130. doi:10.1021/jf050122g. 

Enlaces externos

Content Disclaimer

Informasi ini disarikan dari Wikipedia dan disajikan kembali untuk tujuan edukasi. Konten tersedia di bawah lisensi CC BY-SA 3.0. Kami tidak bertanggung jawab atas ketidakakuratan data yang bersumber dari kontribusi publik tersebut.

  1. The information displayed on this website is sourced in part or in whole from Wikipedia and has been adapted for the purpose of restating it. We strive to provide accurate and relevant information, however:
  2. There is no guarantee of absolute accuracy. Wikipedia is an open, collaborative project that can be edited by anyone, so information is subject to change.
  3. It is not intended to constitute professional advice. The content displayed is for informational and educational purposes only. For important decisions (e.g., medical, legal, or financial), please consult a professional.
  4. Content copyright. Wikipedia is licensed under the Creative Commons Attribution-ShareAlike License (CC BY-SA). This means that content may be reused with appropriate attribution and shared under a similar license.
  5. Responsible use. Any risk arising from the use of information from this website is entirely the responsibility of the user.