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Anti-inflammatory Potential of Ellagic Acid, Gallic Acid and Punicalagin A&B Isolated From Punica Granatum

Anti-inflammatory Potential of Ellagic Acid, Gallic Acid and Punicalagin A&B Isolated From Punica Granatum

Lamees A BenSaad, Kah Hwi Kim, Chin Chew Quah, Wee Ric Kim, Mustafa Shahimi

BMC Complement Altern Med. 2017 Jan 14;17(1):47.

PMID: 28088220

Abstract:

Background:
Punica granatum (pomegranate), an edible fruit originating in the Middle East, has been used as a traditional medicine for treatment of pain and inflammatory conditions such as peptic ulcer. The numerous risks associated with nonsteroidal anti-inflammatory drugs (NSAIDs) for treatment of pain and inflammation give rise to using medicinal herbs as alternative therapies. This study aimed to evaluate the anti-inflammatory effect of isolated compounds from the ethyl acetate (EtOAc) fraction of P. granatum by determination of their inhibitory effects on lipopolysaccharide (LPS), stimulated nitric oxide (NO), prostaglandin E2 (PGE-2), interleukin-6 (IL-6) and cyclooxxgenase-2 (COX-2) release from RAW264.7 cells.
Methods:
The compounds ellagic acid, gallic acid and punicalagin A&B were isolated from EtOAc by high performance liquid chromatography (HPLC) and further identified by mass spectrometry (MS). The inhibitory effect of ellagic acid, gallic acid and punicalagin A&B were evaluated on the production of LPS-induced NO by Griess reagent, PGE-2 and IL-6 by immunoassay kit and prostaglandin E2 competitive ELISA kit, and COX-2 by Western blotting.
Results:
Ellagic acid, gallic acid and punicalagin A&B potentially inhibited LPS-induced NO, PGE-2 and IL-6 production.
Conclusion:
The results indicate that ellagic acid, gallic acid and punicalagin may be the compounds responsible for the anti-inflammatory potential of P. granatum.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP149917-A	Gallic acid		149-91-7	Price
AP476664	Ellagic acid		476-66-4	Price

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