Gallagic acid

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Wikipedia

Gallagic acid
Chemical structure of gallagic acid
Chemical structure of gallagic acid
Names
Preferred IUPAC name
2,2′-(1,2,6,7-Tetrahydroxy-4,9-dioxo-4,9-dihydro-[1]benzopyrano[5,4,3-cde][1]benzopyran-3,8-diyl)bis(3,4,5-trihydroxybenzoic acid)
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/C28H14O18/c29-5-1-3(25(39)40)7(17(33)15(5)31)9-13-11-12-14(28(44)46-23(11)21(37)19(9)35)10(20(36)22(38)24(12)45-27(13)43)8-4(26(41)42)2-6(30)16(32)18(8)34/h1-2,29-38H,(H,39,40)(H,41,42)
    Key: ZASJRRFAYSNSHU-UHFFFAOYSA-N
  • Oc4c6c1c(c5c(=O)o6)c(oc(=O)c1c(c4O)-c(c(O)c2O)c(C(O)=O)cc2O)c(O)c(O)c5-c3c(C(O)=O)cc(O)c(O)c3O
Properties
C28H14O18
Molar mass 638.39 g/mol
Related compounds
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Gallagic acid is a polyphenolic chemical compound that can be found in the ellagitannins, a type of tannin, found in Punica granatum (pomegranate).[1] It is a building block of the corresponding tannin punicalagin, punicalin, punicacortein C and 2-O-galloyl-punicalin.

References

  1. ↑ Antioxidant, antimalarial and antimicrobial activities of tannin-rich fractions, ellagitannins and phenolic acids from Punica granatum L. Reddy Muntha K., Gupta Sashi K., Jacob Melissa R., Khan Shabana I. and Ferreira Daneel, Planta medica, 2007, vol. 73, no5, pp. 461-467, INIST 18773247