Chemical Compounds Isolated from Pleione Bulbocodioides and Their Bioactive Activities
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摘要:
目的 研究独蒜兰化学成分,发现其抗肿瘤活性成分。 方法 独蒜兰经乙酸乙酯提取、硅胶和Sephadex LH-20柱色谱分离,波谱分析确定结构。应用MTT法进行部分化合物体外抗肿瘤活性筛选。 结果 从独蒜兰分离鉴定得到12个化合物,分别为4-methoxy-2,7-dihydroxyphenanthrene (1)、(8R)-4,5′-dihydroxy-8- hydroxymehtyl-3′-methoxydeoxybenzoin (2)、4,7-dihydroxy-2-methoxy-9,10-dihydro-phenanthrene (3)、2-hydroxy-4,7-dimethoxy-phenanthrene (4)、Ursolic acid (5)、β-sitosterol (6)、2-hydroxy-4,7-dimethoxy-9,10-dihydrophenanthrene (7) 、4-(Benzofuranyl)- phenol (8)、Flavanthrinin (9) 、Coelonin (10)、CH3(CH2)27OH (11) and 4-dimethoxy benzaldehyde (12),化合物1~5抗肿瘤活性测试结果表明化合物2对SKOV-3细胞株显示了较好的抑制活性。 结论 化合物2,5,8,11为首次从本植物中分离得到,化合物2对SKOV-3细胞株IC50为12.79 μM。 Abstract:Objective To study the chemical constituents from the herbs of Pleione bulbocodioides and find theirs antitumor bioactive compounds. Methods The constituents were extracted by ethyl acetate and isolated by CC and Sephadex LH-20. Their structures were identified by spectroscopic analysis (1H NMR, 13CNMR and EIMS). The antitumor activity of the constituents was studied by MTT assay in vitro. Results Twelve compouds were obtained and identified as 4-methoxy-2, 7-dihydroxyphenan- -threne (1), (8R)-4, 5′-dihydroxy-8-hydroxymehtyl-3′-methoxydeoxybenzoin (2), 4, 7-dihydroxy-2-methoxy-9, 10-dihydrophenanthrene (3) 2-hydroxy-4, 7-dimethoxy-phenanthrene (4) Ursolic acid (5) β-sitosterol (6) 2-hydroxy-4, 7-dimethoxy-9, 10-dihydrophenanthrene (7) 4- (Benzofuranyl)-phenol (8) Flavanthrinin (9) Coelonin (10) CH3 (CH2)27OH (11) and 4-dimethoxy benzaldehyde (12). The results of anti-tumor activity test of compounds 1~5 showed that 2 expressed good inhibitory activity on SKOV-3 cell line. Conclusion Compounds 2, 5, 8, 11 have been isolated from the herbs for the first time and IC50 of 2 on SKOV-3 cell line is 12.79 μM. -
Key words:
- Pleione bulbocodioides /
- Chemical constituents /
- Bioactive activity
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表 1 化合物1~5对3种细胞株的细胞毒活性IC50 (μM)
Table 1. Cytotoxic activities of compounds 1~5 on three cell lines IC50 (μM)
化合物 A549 MCF-7/S SKOV-3 1 65.70 31.05 76.95 2 46.37 73.33 12.79 3 91.96 61.43 81.05 4 72.33 32.73 69.50 5 >100 >100 >100 DDP 22.02 10.02 14.15 化合物2对SKOV-3细胞株显示了很好的抑制活性,其IC50为12.79 μM,其作用稍强于阳性对照品DDP。 -
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