| Names | |
|---|---|
| IUPAC name (46R)-7,8,9,12,13,14,25,26,27,30,31,32,35,36,37-pentadecahydroxy-46-[(3R,4S)-2,3,4-trihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3,18,21,41,43-pentaoxanonacyclo[27.13.3.138,42.02,20.05,10.011,16.023,28.033,45.034,39]hexatetraconta-5,7,9,11,13,15,23,25,27,29(45),30,32,34(39),35,37-pentadecaene-4,17,22,40,44-pentone | |
| Identifiers | |
3D model (JSmol) | |
| |
| |
| Properties | |
| C46H34O30 | |
| Molar mass | 1066.748 g·mol−1 |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Grandinin is anellagitannin. It can be found inMelaleuca quinquenervia leaves[1] and in oaks species like the North American white oak (Quercus alba) and European red oak (Quercus robur).[2] It shows antioxydant activity.[1] It is an astringent compound.[3] It is also found in wine,red[4] orwhite,[5]aged in oak barrels.
It is acastalagin glycoside[6] by binding of the pentoselyxose.[3] It contains anonahydroxytriphenic acid moiety.
It suppresses thephosphorylation of theepidermal growth factor receptor in humancolon carcinoma cells.[6]