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Chemical structure of  punigluconin
IUPAC name
(2R,3S)-3-[(7R,8R)-1,2,3,8,13,14,15-Heptahydroxy-5,11-dioxo-5,8,9,11-tetrahydro-7H-dibenzo[g,i][1,5]dioxacycloundecin-7-yl]-2,3-bis[(3,4,5-trihydroxybenzoyl)oxy]propanoic acid
Other names
2,5-di-O-galloyl-4,6-O-(S)-hexahydroxy-diphenoyl-D-gluconic acid[1]
3D model (JSmol)
Molar mass 802.53 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Punigluconin is an ellagitannin, a polyphenol compound. It is found in the bark of Punica granatum (pomegranate)[2] and in Emblica officinalis.[3] It is a molecule having a hexahydroxydiphenic acid group and two gallic acids attached to a gluconic acid core.[1]


  1. ^ a b Tanaka Takashi; Tong Hui-Hong; Xu Ya-Ming; Ishimaru Kanji; Nonaka Gen-ichiro; Nishioka Itsuo (1992-11-25). "Tannins and Related Compounds. CXVII. Isolation and Characterization of Three New Ellagitannins, Lagerstannins A, B and C, Having a Gluconic Acid Core, from Lagerstroemia speciosa (L.) PERS". Chemical & pharmaceutical bulletin. 40 (11): 2975–2980. doi:10.1248/cpb.40.2975. 
  2. ^ Tanaka Takashi, Nonaka Gen-Ichiro & Nishioka Itsuo (1986-02-25). "Tannins and Related Compounds. XLI. : Isolation and Characterization of Novel Ellagitannins, Punicacorteins A, B, C, and D, and Punigluconin from the Bark of Punica granatum L". Chemical & pharmaceutical bulletin. 34 (2): 656–663. doi:10.1248/cpb.34.656. 
  3. ^ Bhattacharya, A; Chatterjee, A; Ghosal, S; Bhattacharya, SK (1999). "Antioxidant activity of active tannoid principles of Emblica officinalis (amla)". Indian journal of experimental biology. 37 (7): 676–80. PMID 10522157.