Three new compounds from Anoectochilus roxburghii (Wall.) Lindl

被引：4
|
作者：
Bin, Yan-Lin [1 ]
Liu, Shun-Zhi [1 ]
Xie, Ting-Ting [1 ]
Feng, Wen-Zheng [1 ]
Li, Hao-Yang [1 ]
Ye, Zi-Jia [1 ]
Dong, Zhi-Hao [1 ]
Qiu, Ying-Kun [1 ]
机构：
[1] Xiamen Univ, Sch Pharmaceut Sci, Fujian Prov Key Lab Innovat Drug Target Res, Xiamen, Peoples R China
来源：
NATURAL PRODUCT RESEARCH | 2023年 / 37卷 / 19期
关键词：
Anoectochilus roxburghii (Wall; ) Lindl; Orchidaceae; flavone glycosides; antioxidant activity; CHEMICAL-CONSTITUENTS; KINSENOSIDE; GLYCOSIDES; EXTRACT;
D O I：
10.1080/14786419.2022.2070746
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In this study, three new compounds, roxburic acid A (1) and two flavone glycosides isorhamnetin-3-O-alpha-L-rhamnosyl-(1 -> 6)-beta-D-glucopyranose-(1 -> 3)-beta-D-glucopyranoside (2), and kaempferol-7-O-beta-D-glucopyranosyl-(1 -> 3)-beta-D-glucopyranoside (3) were isolated from an ethanol extract of the fresh Anoectochilus roxburghii (Wall.) Lindl., together with 10 known compounds (4-13). The structures of these compounds were comprehensively characterized by HR-ESI-MS, H-1 NMR, C-13 NMR, and 2 D-NMR. The DPPH free radical scavenging activity of the isolated compounds was evaluated, and the results showed that kaempferol-7-O-beta-D-glucopyranosyl- (1 -> 3) -beta-D-glucopyranoside (3) and rutin (11) has the potential antioxidant activity with IC50 values of 139 mu g/mL and 22.5 mu g/mL respectively.
引用
收藏
页码：3276 / 3282
页数：7
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