Chemical constituents of the ethyl acetate extract of Belamcanda chinensis (L.) DC roots and their antitumor activities.

Chemical constituents of the ethyl acetate extract of Belamcanda chinensis (L.) DC roots and their antitumor activities.
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射干根乙酸乙酯提取物的化学成分及其抗肿瘤活性

DOI:
10.3390/molecules17056156
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发表时间:
2012-05-24
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Yang S
Yang S
中科院分区:
其他
文献类型:
--
作者:
Liu M;Yang S;Jin L;Hu D;Wu Z;Yang S

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采用活性导向的分离纯化方法从射干(Belamcanda chinensis(L.)DC.结果表明,乙酸乙酯提取物具有较强的抗肿瘤活性,从中分离得到18个化合物,分别鉴定为β-谷甾醇(1),dausterol(2),quercetin(3),kampferol(4),莽草酸(5),没食子酸(6),熊果酸(7),桦木醇(8),桦木酸(9),桦木酮(10),鸢尾苷(11),鸢尾花素(12)、4′,5,6-三羟基-7-甲氧基甘草素(13)、鸢尾苷元(14)、鸢尾素A(15)、鸢尾苷(16)、鸢尾苷元(17)和鸢尾酮苷元A(18)。化合物3-10、13和15从B中分离得到。中国首次。化合物4和7-10显示出对PC 3、MGC-803、Bcap-37和MCF-7细胞系的有效细胞毒活性。通过吖啶橙子/溴化乙锭(AO/EB)染色、Hoechst 33258染色和末端脱氧核苷酸转移酶dUTP缺口末端标记(TUNEL)实验,初步探讨了化合物7的抗肿瘤作用机制,结果表明化合物7通过诱导肿瘤细胞凋亡抑制MGC-803细胞的生长。
An activity-directed fractionation and purification process was used to isolate antitumor compounds from the roots of Belamcanda chinensis (L.) DC. The ethyl acetate extract showed greater antitumor activities than the other extracts, consequently leading to the isolation of 18 compounds identified as β-sitosterol (1), dausterol (2), quercetin (3), kampferol (4), shikimic acid (5), gallic acid (6), ursolic acid (7), betulin (8), betulonic acid (9), betulone (10), tectoridin (11), irisflorentin (12), 4′,5,6-trihydroxy-7-methoxyisoflavone (13), tectorigenin (14), irilins A (15), iridin (16), irigenin (17), and iristectongenin A (18). Compounds 3–10, 13, and 15 were isolated from B. chinensis for the first time. Compounds 4 and 7–10 showed potent cytotoxic activities against PC3, MGC-803, Bcap-37, and MCF-7 cell lines. The mechanism of the antitumor action of compound 7 was preliminarily investigated through acridine orange/ethidium bromide (AO/EB) staining, Hoechst 33258 staining, and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay, which indicated the growth inhibition of MGC-803 cells via the induction of tumor cell apoptosis.
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