Ferlapioside: a new bromine substituted iridoid glycoside from the roots of <i>Ferula lapidosa</i> Korovin
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One new bromine substituted iridoid glycoside, ferlapioside (<b>1</b>), was isolated from the roots of <i>Ferula lapidosa</i> Korovin, together with 10 known ones including seven iridoid glycosides (<b>2</b>–<b>8</b>) and three sesquiterpene lactones (<b>9</b>–<b>11</b>). Their structures were elucidated by extensive spectroscopic analyses, e.g. 1D and 2D-NMR, HR-ESI-MS, IR, UV, CD techniques, and comparison with literature values. Compounds <b>1</b> and <b>3</b>–<b>11</b> were evaluated for inhibitory activity against LPS-induced NO production in the RAW 264.7 cells and the <i>in vitro</i> cytotoxic activity against five human cancer cell lines (HL-60, A549, SMMC-7721, MDA-MB-231 and SW480). However, none of them exhibit significant anti-inflammatory and cytotoxic activity. This study will provide a scientific basis and reference for the further development and utilisation of <i>Ferula</i> plants.
本研究从岩生阿魏(*Ferula lapidosa* Korovin)的根部分离得到1个新的溴代环烯醚萜苷类化合物费拉皮苷(ferlapioside,编号1),同时获得10个已知化合物,其中包含7个环烯醚萜苷类化合物(编号2–8)与3个倍半萜内酯类化合物(编号9–11)。通过一维核磁共振波谱(1D-NMR)、二维核磁共振波谱(2D-NMR)、高分辨电喷雾电离质谱(HR-ESI-MS)、红外光谱(IR)、紫外光谱(UV)、圆二色谱(CD)等多种波谱分析手段,并与已发表文献数据比对,阐明了所有化合物的化学结构。针对化合物1及3–11,本研究开展了两项活性评价:一是考察其对脂多糖(LPS)诱导的RAW 264.7细胞一氧化氮(NO)生成的抑制活性;二是测试其体外对5种人癌细胞系(HL-60、A549、SMMC-7721、MDA-MB-231及SW480)的细胞毒活性。但实验结果显示,所有受试化合物均未表现出显著的抗炎活性与细胞毒活性。本研究可为阿魏属(*Ferula*)植物的后续开发与利用提供科学依据与参考。




