白茅内生菌Chaetomium globosum的化学成分研究

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica(2015)

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Abstract
采用硅胶柱色谱、Sephadex LH-20凝胶柱色谱和高效液相色谱等方法对白茅内生菌Chaetomium globosum固体发酵产物的化学成分进行分离纯化,获得9个化合物.利用高分辨质谱、核磁共振谱及文献比对的方法,将上述化合物分别鉴定为chaetoglobosin F(1),chaetoglobosin Fex(2),chaetoglobosin E(3),cytoglobosin A (4),penochalasin C(5),isochaetoglobosin D (6),N-benzoylphenylalaninyl-N-benzoylphenylalaninate (7),尿嘧啶(8),5-甲基尿嘧啶(9),其中化合物7为首次从毛壳菌中分离得到.采用MTT法测定化合物的体外细胞毒活性,结果显示,化合物1,3,4,5对人宫颈癌细胞株HeLa具有明显的抑制活性,IC50分别为99.43,23.77,97.92,86.25 μmol·L-1,而阳性对照药顺铂的IC50为24.33 μmol·L-1.
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Key words
Imperata cylindrical,endophyte,Chaetomium globosum,chemical constituent,cytotoxicity
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