Acyl flavone and lignan glucosides from Leontopodium leontopodioides

Acyl flavone and lignan glucosides from Leontopodium leontopodioides
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火绒草酰基黄酮和木酚素苷

DOI:
10.1016/j.phytol.2016.08.006
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发表时间:
2016-09
影响因子:
1.7
通讯作者:
Ping Gou
Ping Gou
中科院分区:
生物学4区
文献类型:
--
作者:
Yangyang Xiao;Haihui Xie;Li Zhao;Ping Gou

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从菊科火绒草(Leontopodium leontopodioides)全草中分离得到两个新的酰基黄酮苷:毛地黄黄酮-4-O-(6-对羟基苯甲酰基)-β-d-葡萄糖苷(leontopodioside A,1)和毛地黄黄酮-4-O-[6-(2-甲基丁酰基)]-β-d-葡萄糖苷(leontopodioside B,2),以及一个新的酰基木脂素苷:落叶松树脂醇-9-当归酰基-4-O-β-d-葡萄糖苷(leontopodioside C,3)。通过光谱和化学方法确定了它们的结构。化合物1和3显示出α-葡萄糖苷酶抑制活性,与阿卡波糖(626.3 μM)相比,其半最大抑制浓度(IC 50)值分别为55.6、39.7和474.9 μM。
Two new acyl flavone glucosides, luteolin-4⿲-O-(6-p-hydroxybenzoyl)-β-d-glucopyranoside (leontopodioside A,1) and luteolin-4⿲-O-[6-(2-methylbutyryl)]-β-d-glucopyranoside (leontopodioside B,2), and a new acyl lignan glucoside, lariciresinol-9-angeloyl-4-O-β-d-glucopyranoside (leontopodioside C,3) were isolated from the whole plants ofLeontopodium leontopodioides(Asteraceae). Their structures were determined by spectroscopic and chemical methods. Compounds1⿿3exhibited α-glucosidase inhibitory activity with the half maximal inhibitory concentration (IC50) values of 55.6, 39.7, and 474.9 μM, respectively, in comparison with acarbose (626.3 μM).
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发表时间: 2012
期刊: Journal of Shenyang Pharmaceutical University
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