NATURAL PRODUCT RESEARCH AND DEVELOPMENT ›› 2021, Vol. 33 ›› Issue (12): 2029-2034. doi: 10.16333/j.1001-6880.2021.12.006

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Chemical constituents from Callicarpa longifolia and their anti-inflammatory activity

ZHAO Lu,XU Fan,YI Qiao-qi,ZHANG Tao-li,WANG Hong-gang*   

  1. School of Traditional Chinese Medicine,Guangdong Pharmaceutical University,Guangzhou 510006,China
  • Online:2021-12-28 Published:2021-12-29

Abstract:

To study the chemical constituents of Callicarpa longifolia.The methanol extract of C. longifolia was isolated and purified by silicon,Sephadex LH-20,ODS,MCI column chromatographies,semi-preparative HPLC and recrystallization method.The structures of the compounds were identified by color reaction,physicochemical properties,nuclear magnetic resonance spectroscopy and mass spectrometry.Ten compounds,18-hydroxyferruginol (1),dehydroabietanol (2),neolupenol (3),kaempferol-3,4′,7-O-trimethylether (4),artemiin (5),5-hydroxy-7,8,3′,4′-tetramethoxyflavone (6),penduleti (7),verbascoside (8),di-(2-ethylhexyl)-phthalate (9),and dibutyl phthalate (10) were isolated from C. longifolia for the first time.The anti-inflammatory effect of compounds 1-5 and 8-10 was tested on lipopolysaccharide-stimulated RAW 264.7 macrophages.The results showed that compounds 1,2,4 and 10 had significant inhibitory effects on NO production and their IC50 values were 25.2,34.6,109.6 and 104.8 μmol/L respectively.

Key words: Callicarpa longifolia, Callicarpa, chemical constituents, anti-inflammation

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