Limonoids from the Barks of Chukrasia Tabularis and Their Anti-Inflammatory Activity
Applied biological chemistry(2022)
摘要
Two novel phragmalin type limonoids, Tabularisin Q (1) and Chuktabularin Y (18), together with 22 known limonoids have been separated from bark of Chukrasia tabularis. The structures of 1–24 were identified with spectroscopic method (NMR, IR and mass spectrometry) and comparison with literature. The anti-inflammatory activity of all limonoids was assayed in RAW264.7 cells in vitro by evaluating the production of nitric oxide induced by lipopolysaccharide. Limonoids 8, 9, 1, and 18 showed significant anti-inflammatory activity with the inhibitory rates of 4.32, 11.28, 13.13, and 10.40 μm, respectively, and likely to be useful for the development as therapeutic agents for inflammatory diseases.
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关键词
Chukrasia tabularis,Limonoid,Phragmalin,Anti- inflammatory activities
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