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胡桃枝的化学成分及抑制一氧化氮生成的作用(英文) 被引量:9

Naphthoquinones from Twigs of Walnut (Juglans regia) and Their Inhibition on Nitric Oxide Synthesis
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摘要 以体外测定各化合物对抑制脂多糖(LPS)和γ干扰素(IFNγ)诱导的RAW264.7大鼠巨噬细胞NO的生成量为活性指标,从核桃中分离得到了5个化合物,分别为2乙氧基胡桃醌(1),3乙氧基胡桃醌(2),regiolone(3),(4S)4hydroxyαtetralone(4)和大黄素(5)。化合物1和2为首次从该植物中分离得到,化合物1具有较强的抑制大鼠巨噬细胞NO生成的作用。化合物1和2均为首次作为天然产物得到。 In vitro anti-allergic screening of medicinal herbal extracts indicated that the chloroform extract of the twigs of Juglans regia L. inhibit nitric oxide (NO) production in a lipopolysaccharide (LPS) and recombinant mouse interferon-γ (IFN-γ) activated routine macrophage like cell line, RAW 264.7. Fracfionation of the active extract led to the isolation of 2- etlioxy juglon (1),3-ethoxy jug, Ion (2), regiolone (3), (4S)-4-hydroxy-α-tetralone (4) and emodin (5). Naphthoquinones 1 and 2 were firstly isolated as natural products.
出处 《天然产物研究与开发》 CAS CSCD 2006年第3期363-365,共3页 Natural Product Research and Development
关键词 胡桃 萘醌 一氧化氮(NO) 乙氧基胡桃醌 juglans regia walnut naphthoquinone nitric oxide (NO) ethoxy j uglon
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