白花地胆草的抗菌活性成分研究
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中央级公益性行业(农业) 科研专项基金(nyhyzx07-022)资助


Antibacterial Activity Components from Elephantopus tomentosus
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    摘要:

    从白花地胆草(Elephantopus tomentosus Linn.)全草的乙醇提取物中分离得到9 个化合物,通过波谱分析,鉴定其结构分别为:表木栓醇(1)、羽扇豆醇(2)、6-deoxyisojacreubin (3)、桦木酸(4)、熊果酸(5)、阿魏酸(6)、3-甲酰吲哚(7)、半夏酸(8) 和30-醛基羽扇豆醇(9)。所有化合物均为首次从白花地胆草中分离得到。用滤纸片琼脂扩散法测定上述化合物的抗菌活性,结果表明,化合物6 和7 对金黄色葡萄球菌的生长有抑制作用,化合物6 和8 对烟草青枯病菌的生长有抑制作用。

    Abstract:

    Nine compounds were isolated from the ethanolic extract from the whole plant of Elephantopus tomentosus Linn. On the basis of spectral data, their structures were identified as epifriedelanol (1), lupeol (2), 6-deoxyisojacreubin (3), butulinic acid (4), ursolic acid (5), ferulic acid (6), 3-formylindole (7), pinellic acid (8) and 30-oxo-lupeol (9), respectively. All compounds were obtained from Elephantopus tomentosus for the first time. Compounds 6 and 7 had inhibitory effect on Staphylococcus aureus, as well as compounds 6 and 8 exhibited inhibitory effects on Ralstonia solanacearum by paper disk diffusion method.

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王蓓,梅文莉,左文健,曾艳波,刘国道,戴好富.白花地胆草的抗菌活性成分研究[J].热带亚热带植物学报,2012,20(4):413~417

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  • 收稿日期:2011-10-21
  • 最后修改日期:2011-12-20
  • 录用日期:2012-03-02
  • 在线发布日期: 2012-07-19
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