23,24-Dihydrocucurbitacin C: A new compound regarded as the next metabolite of cucurbitacin C

文献类型： 外文期刊

第一作者： Qing, Zhi-Xing

作者： Qing, Zhi-Xing;Zeng, Jian-Guo;Zhou, Yuan;Liu, Xiu-Bin;Cheng, Pi;Zeng, Jian-Guo

作者机构：

关键词： 23;24-dihydrocucurbitacin C;Cucumis sativus L;cucurbitacin C;HPLC-Q-TOF-MS;NMR

期刊名称：NATURAL PRODUCT RESEARCH （ 影响因子：2.861； 五年影响因子：2.572 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Cucurbitacin C, a bitter substance in Cucumis sativus L., was isolated from green leaves by using phytochemical methods. An analytical method using high-performance liquid chromatography (HPLC) was established for the quantification of cucurbitacin C in different parts of the cucumber plant at different growth periods. Cucurbitacin C was detected in the leaves and stems but not in the female flowers, fruits, roots and leafstalks. The level of cucurbitacin C decreased significantly with the process of young leaves turning old. A new compound named 23,24-dihydrocucurbitacin C, regarded as the next metabolite of cucurbitacin C, was determined unambiguously by HPLC-quadrupole-time-of-flight mass spectrometry and nuclear magnetic resonance.

分类号： R9

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