Chemical constituents of Vietnamese mangrove Hibiscus tiliaceus with antioxidant and alpha-glucosidase inhibitory activity

被引:9
|
作者
Le Ba Vinh [1 ,2 ]
Nguyen Thi Minh Nguyet [1 ]
Chu Duc Thanh [1 ]
Tran Thu Huong [3 ]
Le Huyen Tram [3 ]
Nguyen Van Thon [3 ]
Nguyen Hoang Min [3 ]
Nguyen Phuong Thao [2 ]
Hwang, Inkyu [1 ]
Yang, Seo Young [1 ]
Kim, Young Ho [1 ]
机构
[1] Chungnam Natl Univ, Coll Pharm, Daejeon, South Korea
[2] VAST, Inst Marine Biochem IMBC, Hanoi, Vietnam
[3] HUST, SCE, Hanoi, Vietnam
基金
新加坡国家研究基金会;
关键词
Hibiscus tiliaceus; Malvaceae; megastigmane; antioxidant; alpha-glucosidase; FLAVONOIDS; TRITERPENOIDS; GLYCOSIDES;
D O I
10.1080/14786419.2019.1672065
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Using various chromatographic techniques, a total of 15 compounds, including one novel megastigmane named tiliaceic acid A (1) and 14 known compounds, were isolated from the traditional medicinal Vietnamese mangrove Hibiscus tiliaceus. Their structures were confirmed based on spectroscopic experiments including, UV, 1 D- and 2 D-NMR, HR-ESI-MS, and ECD analysis. The antioxidant and alpha-glucosidase inhibitory activities of the isolated compounds from H. tiliaceus were evaluated for the first time. Compound 2 showed strong alpha-glucosidase inhibitory activity with an IC50 of 77.78 +/- 1.00 mu M compared with the positive control acarbose at 105.71 +/- 2.29 mu M.
引用
收藏
页码:2899 / 2904
页数:6
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