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New Norneolignan and Bioactive Constituents of Clitoria ternatea
Chemistry of Natural Compounds ( IF 0.8 ) Pub Date : 2020-11-01 , DOI: 10.1007/s10600-020-03213-w
Fu-Sen Wu , Ching-Ju Hung , Chien-Liang Lin , Tsung-Hsien Chang , Chun-Lin Chen , Ping-Jyun Sung , Ming-Jen Cheng , Hsueh-Yang Huang , Jih-Jung Chen

A new norneolignan derivative, clitorternalactone (1), has been isolated from the stems of Clitoria ternatea, together with six known compounds, clitorienolactone A (2), myricetin 3-glucoside (3), quercetin 3-glucoside (4), kaempferol 3-glucoside (5), taraxerol (6), and taraxerone (7). The structure of the new compound 1 was determined through spectroscopic and MS analyses. Among the isolates, compound 1 exhibited cytotoxicities with IC50 values of 2.54 ± 0.23, 3.68 ± 0.17, and 4.05 ± 0.43 μM, respectively, against DLD-1, CCRF-CEM, and IMR-32 cell lines. In addition, clitorternalactone (1), clitorienolactone A (2), quercetin 3-glucoside (4), and kaempferol 3-glucoside (5) showed potent inhibition with IC50 values of 3.05 ± 0.12, 5.44 ± 0.46, 10.20 ± 0.69, and 13.57 ± 0.36 μM, respectively, against LPS-induced NO generation.

中文翻译:

Clitoria ternatea 的新降脂木脂素和生物活性成分

从 Clitoria ternatea 的茎中分离出一种新的降甲木脂素衍生物,阴蒂内酯 (1),以及六种已知化合物,阴蒂内酯 A (2)、杨梅素 3-葡萄糖苷 (3)、槲皮素 3-葡萄糖苷 (4)、山奈酚 3 -葡萄糖苷 (5)、蒲公英 (6) 和蒲公英 (7)。通过光谱和质谱分析确定了新化合物 1 的结构。在分离株中,化合物 1 对 DLD-1、CCRF-CEM 和 IMR-32 细胞系表现出细胞毒性,IC50 值分别为 2.54 ± 0.23、3.68 ± 0.17 和 4.05 ± 0.43 μM。此外,阴蒂内酯 (1)、阴蒂内酯 A (2)、槲皮素 3-葡萄糖苷 (4) 和山奈酚 3-葡萄糖苷 (5) 显示出有效的抑制作用,IC50 值为 3.05 ± 0.12、5.44 ± 0.46、10.69 和 ±分别为 13.57 ± 0.36 μM,对抗 LPS 诱导的 NO 生成。
更新日期:2020-11-01
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