【摘要】 乌檀（Nauclea officinalis Pierre ex Pitard）为一抗菌消炎的中草药,我们从其茎中分离得到四个结晶化合物,经鉴定为乌檀碱（naucleidinal）、奎诺瓦酸（quinovaic acid）、β-谷甾醇（β-sitosterol）和生物碱 C₂₀H₁₄N₂O₂。抑菌试验表明两个生物碱均有抑菌作用。生物碱C₂₀H₁₄N₂O₂的结构有待进一步确定。更多还原

【Abstract】 Nauclea officinalis pierre ex Pitard is a Chinese traditional and herbal drug for antibiotics and anti-inflammation.Four compounds have been isolated from it and identified as naucleidinal,quinovaic acid,β-sitosterol and alkaloid C₂₀H₁₄N₂O₂.Two alka- loids have inhibiting effect on bacteria.The structure of C₂₀H₁₄N₂O₂ will be identified later.更多还原