To install click the Add extension button. That's it.

The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. You could also do it yourself at any point in time.

How to transfigure the Wikipedia

Would you like Wikipedia to always look as professional and up-to-date? We have created a browser extension. It will enhance any encyclopedic page you visit with the magic of the WIKI 2 technology.

Try it — you can delete it anytime.

Install in 5 seconds
4,5
Kelly Slayton
Congratulations on this excellent venture… what a great idea!
Alexander Grigorievskiy
I use WIKI 2 every day and almost forgot how the original Wikipedia looks like.
Live Statistics
English Articles
Improved in 24 Hours
Added in 24 Hours
What we do. Every page goes through several hundred of perfecting techniques; in live mode. Quite the same Wikipedia. Just better.
Great Wikipedia has got greater.
.
Leo
Newton
Brights
Milds

Astringin

From Wikipedia, the free encyclopedia

Astringin
Chemical structure of astringin
Names
IUPAC name
3-[(E)-2-(2,3-Dihydroxyphenyl)ethen-1-yl]-5-hydroxyphenyl β-D-glucopyranoside
Systematic IUPAC name
(2S,3R,4S,5S,6R)-2-{3-[(E)-2-(3,4-Dihydroxyphenyl)ethen-1-yl]-5-hydroxyphenoxy}-6-(hydroxymethyl)oxane-3,4,5-triol
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
UNII
  • 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 checkY
    Key: PERPNFLGJXUDDW-CUYWLFDKSA-N checkY
  • InChI=1/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-CUYWLFDKBH
  • 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
Properties
C20H22O9
Molar mass 406.387 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 ?)

Astringin is a stilbenoid, the 3-β-D-glucoside of piceatannol.[1] It can be found in the bark of Picea sitchensis[2][3] and Picea abies (Norway spruce).[4]

It is also present in Vitis vinifera cells cultures[5] and in wine.[6]

YouTube Encyclopedic

  • 1/3
    Views:
    3 666
    30 177
    15 934
  • Format A String In Python 3
  • Reverse Words in a String in Java
  • Program to Count Uppercase and Lowercase Letters in a String in C (HINDI)

Transcription

See also

References

  1. ^ CID 5281712 from PubChem
  2. ^ Aritomi, Masakazu; Donnelly, Dervilla M.X. (1976). "Stilbene glucosides in the bark of Picea sitchensis". Phytochemistry. 15 (12): 2006–2008. Bibcode:1976PChem..15.2006A. doi:10.1016/S0031-9422(00)88881-0.
  3. ^ Toscano Underwood, Claudia D.; Pearce, Raymond B. (1991). "Astringin and isorhapontin distribution in Sitka spruce trees". Phytochemistry. 30 (7): 2183–2189. Bibcode:1991PChem..30.2183T. doi:10.1016/0031-9422(91)83610-W.
  4. ^ Lindberg, M.; Lundgren, L.; Gref, R.; Johansson, M. (1992). "Stilbenes and resin acids in relation to the penetration of Heterobasidion annosum through the bark of Picea abies". European Journal of Forest Pathology. 22 (2): 95–106. doi:10.1111/j.1439-0329.1992.tb01436.x.
  5. ^ Mérillon, J. M.; Fauconneau, B.; Teguo, P. W.; Barrier, L.; Vercauteren, J.; Huguet, F. (1997). "Antioxidant activity of the stilbene astringin, newly extracted from Vitis vinifera cell cultures". Clinical Chemistry. 43 (6 Pt 1): 1092–1093. doi:10.1093/clinchem/43.6.1092. PMID 9191572.
  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- and trans-resveratrol, ε-viniferin) in Brazilian Wines". Journal of Agricultural and Food Chemistry. 53 (14): 5664–9. doi:10.1021/jf050122g. PMID 15998130.
Stub icon

This article about an aromatic compound is a stub. You can help Wikipedia by expanding it.

This page was last edited on 11 March 2024, at 17:31
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.
Contact WIKI 2
Introduction
Terms of Service
Privacy Policy