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Lanostane Triterpenoids and Ergostane Steroids from Ganoderma luteomarginatum and Their Cytotoxicity

文献类型： 外文期刊

作者： Ma, Qingyun 1 ; Zhang, Shuangshuang 3 ; Yang, Li 1 ; Xie, Qingyi 1 ; Dai, Haofu 1 ; Yu, Zhifang 4 ; Zhao, Youxing 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou Key Lab Res & Utilizat Trop Nat Prod, Haikou 571101, Hainan, Peoples R China

2.Hainan Acad Trop Agr Resource, Hainan Key Lab Protect & Utilizat Trop Bioresourc, Haikou 571101, Hainan, Peoples R China

3.Jiangsu Food & Pharmaceut Sci Coll, Huaian 223003, Peoples R China

4.Nanjing Agr Univ, Coll Food Sci & Technol, Nanjing 210095, Peoples R China

关键词： Ganoderma luteomarginatum; lanostane triterpenoids; ergostane steroids; cytotoxic activity

期刊名称：MOLECULES （ 影响因子：4.927； 五年影响因子：5.11 ）

ISSN：

年卷期： 2022 年 27 卷 20 期

页码：

收录情况： SCI

摘要： Macrofungus Ganoderma luteomarginatum is one of the main species of Ganoderma fungi distributed in Hainan province of China, the fruiting bodies of which have been widely used in folk as a healthy food to prevent tumors. To explore the potential cytotoxic constituents from G. luteomarginatum, the phytochemical investigation on the ethyl acetate soluble fraction of 95% ethanolic extract from the fruiting bodies of this fungus led to the isolation of twenty-six lanostane triterpenoids (1-26), including three undescribed ones (1-3), together with eight ergostane steroids (27-34). The structures of three new lanostane triterpenoids were elucidated as lanosta-7,9(11)-dien-3 beta-acetyloxy-24,25-diol (1), lanosta-7,9(11)-dien-3-oxo-24,26-diol-25-methoxy (2), and lanosta-8,20(22)-dien-3,11,23-trioxo-7 beta,15 beta-diol-26-oic acid methyl ester (3) by the analysis of 1D, 2D NMR, and HRESIMS spectroscopic data. All isolates were assayed for their cytotoxic activities using three human cancer cell lines (K562, BEL-7402, and SGC-7901) and seven lanostane triterpenoids (1, 2, 7, 13, 18, 22, and 24), and one ergostane steroid (34) showed definite cytotoxicity with IC50 values that ranged from 6.64 to 47.63 mu g/mL. Among these cytotoxic lanostane triterpenoids, compounds 2 and 13 showed general cytotoxicity against three human cancer cell lines, while compounds 1 and 18 exhibited significant selective cytotoxicity against K562 cells with IC50 values of 8.59 and 8.82 mu g/mL, respectively. Furthermore, the preliminary structure-cytotoxicity relationships was proposed.

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