Quantitative determination of phorbol ester derivatives in Chinese Jatropha curcas seeds by high-performance liquid chromatography/mass spectrometry
文献类型： 外文期刊
作者： Liu, Xueqing 1 ; Li, Li 1 ; Li, Wenqing 1 ; Lu, Daihua 2 ; Chen, Fang 1 ; Li, Jing 1 ;
作者机构： 1.Sichuan Univ, Coll Life Sci, Chengdu 610064, Sichuan, Peoples R China
2.Sichuan Acad Agr Sci, Inst Plant Protect, Chengdu 610066, Peoples R China
3.Sichuan Univ, Coll Life Sci, Minist Educ, Key Lab Bioresources & Ecoenvironm, Chengdu 610064, Sichuan, Peoples R China
关键词： Jatropha curcas;Phorbol esters derivatives;HPLC/MS;Quantitative determination;Geographic locations
期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：5.645； 五年影响因子：5.749 ）
ISSN： 0926-6690
年卷期： 2013 年 47 卷
页码：
收录情况： SCI
摘要： Phorbol esters (PEs) are the main toxins in Jatropha curcas seeds and known to cause a wide range of biological effects. In this study, we investigated PE derivatives in Chinese J. curcas seeds by high-performance liquid chromatography/mass spectrometry. Five PE peaks were detected, and all of them presented a parent ion peak [M-H](-) m/z 709.8 in the mass spectrum which were consistent with previous reports that PE derivatives shared a similar parental backbone. According to the mass spectra data and the retention time, the existence of six PE derivatives named C1-C6 in Chinese J. curcas seeds was confirmed in our study. The content of phorbol ester derivatives in the seeds from six geographic locations in China were ranging 1.098-2.417 mg g(-1). In addition, our results indicated that the contents of the different PE derivatives were closely correlated to the geographic locations of seeds. Seeds from Yunnan contained more derivative Cl but fewer C2 and C5, whereas seeds from Sichuan contained more C2 and C5 but fewer Cl derivative. Our results suggested that variations in PE derivatives might be used as markers to infer the geographic information of J. curcas seeds. (C) 2013 Elsevier B.V. All rights reserved.
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