黄芪甲素
环烯醚萜
芦丁
立体化学
化学
传统医学
植物
生物
槲皮素
山奈酚
生物化学
糖苷
医学
抗氧化剂
作者
Amany Hamouda Mahmoud,Basma Khalaf Mahmoud,Mamdouh Nabil Samy,Mostafa Ahmad Fouad,Mohamed Kamel,Katsuyoshi Matsunami
标识
DOI:10.1080/14786419.2022.2114474
摘要
One new iridoid named aureanin (1) was isolated from the leaves of Tabebuia aurea (Silva Manso) Benth. & Hook.f. ex S.Moore, together with eight known compounds, isoquercetin (2), astragalin (3), callicoside B (4), amphipaniculoside E (5), rehmaglutin D (6), quercetin-3-sambubioside (7), rutin (8), kaempferol-3-O-rutinoside (9). The structures of the isolated compounds were elucidated and confirmed by spectroscopic methods, including 1 D and 2 D NMR experiments, as well as HR-ESI-MS. Compounds 1-9 were evaluated for their in vitro cytotoxic activity against three human cancer cell lines (A549, HepG2, and MCF-7) and Leishmania major. Compound 4 showed activity against A549 (IC50: 36.8 ± 1.5 μg/mL, etoposide (positive control): 28.1 ± 4.2 μg/mL), however, none of the compounds were active against L. major.
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