Taipei Medical University Institutional Repository:Item 987654321/1565
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    Please use this identifier to cite or link to this item: http://libir.tmu.edu.tw/handle/987654321/1565


    Title: Anti-inflammatory Effects of Punica granatum Linne in Vitro and in Vivo
    Authors: 王靜瓊
    Lee CJ;Chen LG;Liang WL;Wang CC
    Contributors: 藥學系
    Date: 2009
    Issue Date: 2009-08-17 09:55:34 (UTC+8)
    Abstract: Inflammation can cause various physical dysfunctions. Punica granatum Linne (pomegranate), a high phenolic content fruit, is widely used as an antipyretic analgesic in Chinese culture. Pomegranate has shown potential nitric oxide (NO) inhibition in LPS-induced RAW 264.7 macrophage cells. Moreover, pomegranate (100 mg/kg) significantly decreased carrageenan-induced mice paw edema for 1, 3, 4, and 5 h. Therefore, column chromatography combined with in vitro bioassay-guided fractionation was used to isolate the active anti-inflammatory components from the pomegranate. Punicalagin (1), punicalin (2), strictinin A (3), and granatin B (4) were obtained with yields of 0.093%, 0.015%, 0.003%, and 0.013%, respectively. All these hydrolysable tannins inhibited NO production and iNOS expression in RAW 264.7 cells. Among them, 4 showed the strongest iNOS and COX-2 inhibitory effects, and exhibited these effects in the inhibition of paw swelling and the PGE2 level in carrageenan-induced mice. Taken together, we suggest that 4 could be used as a standard marker for the anti-inflammatory effect of pomegranate.

    Keywords: Punica granatum L.; Granatin B; Ellagictannin; Anti-inflammation; Nitric oxide; Inducible nitric oxide synthase; Cyclooxygenase-2
    Relation: Food Chemistry.
    Data Type: article
    Appears in Collections:[School of Pharmacy] Periodical Article

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