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学科主题: 分析化学
题名: Low-temperature headspace-trap gas chromatography with mass spectrometry for the determination of trace volatile compounds from the fruit of Lycium barbarum L.
其他题名: 低温顶空捕集结合气相色谱质谱联用技术检测枸杞中微量挥发性成分
作者: Chen FJ(陈房娇)1; Su Y(苏越)1; Zhang F(张芳)1; Guo YL(郭寅龙)1
通讯作者: 苏越
刊名: J. Sep. Sci.
发表日期: 2015
DOI: 10.1002/jssc.201400862
卷: 38, 期:4, 页:670-676
收录类别: SCI
文章类型: 论文
英文摘要: The total saccharides content of Lycium barbarum L. is very high, and a high temperature would result in saccharide decomposition and the emergence of a large amount of water. Moreover, the volatile compounds from the fruit of L. barbarum L. are rather low in concentration. Hence, it is difficult for a conventional headspace method to study the volatile compounds from the fruit of L. barbarum L. Since headspace-trap gas chromatography with mass spectrometry is an excellent method for trace analysis, a headspace-trap gas chromatography with mass spectrometry method based on low-temperature (30 degrees C) enrichment and multiple headspace extraction was developed to explore the volatile compounds from the fruit of L. barbarum L. The headspace of the sample was extracted in 17 cycles at 30 degrees C. Each time, the compounds extracted were concentrated in the trap (Tenax TA and Tenax GR, 1: 1). Finally, all the volatile compounds were delivered into the gas chromatograph after thermal desorption. With the method described above, a total of 57 compounds were identified. The identification was completed by mass spectral search, retention index, and accurate mass measurement.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000350200500019
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/39685
Appears in Collections:分析化学研究室_期刊论文

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作者单位: 1.上海中医药大学
2.中科院上海有机化学研究所, 上海质谱中心

Recommended Citation:
Chen FJ,Su Y,Zhang F,et al. Low-temperature headspace-trap gas chromatography with mass spectrometry for the determination of trace volatile compounds from the fruit of Lycium barbarum L.[J]. J. Sep. Sci.,2015,38(4):670-676.
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