| ellagic | <chemistry> Pertaining to, or derived from, gallnuts or gallic acid; as, ellagic acid. <chemistry> Ellagic acid, a white crystalline substance, C14H8O9, found in bezoar stones, and obtained by the oxidation of gallic acid. Origin: F, fr. Galle gall (with the letters reversed). Source: Websters Dictionary (01 Mar 1998) |
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| ellagic acid | <chemical> 2,3,7,8-tetrahydroxy(1)benzopyrano(5,4,3-cde)(1)-benzopyran-5,10-dione. A fused four ring compound occurring free or combined in galls. Isolated from the kino of eucalyptus maculata hook and e. Hemipholia f. Muell. Activates factor xii of the blood clotting system which also causes kinin release; used in research and as a dye. Chemical name: (1)Benzopyrano(5,4,3-cde)(1)benzopyran-5,10-dione, 2,3,7,8-tetrahydroxy- (12 Dec 1998) |