食品科学 ›› 2011, Vol. 32 ›› Issue (1 ): 74-77.doi: 10.7506/spkx1002-6630-201101018

• 基础研究 • 上一篇    下一篇

紫薯中两种功能性成分的分离鉴定

丁利庆,杜琪珍*   

  1. 浙江工商大学食品与生物工程学院
  • 收稿日期:2010-03-31 修回日期:2010-12-19 出版日期:2011-01-15 发布日期:2010-12-28
  • 通讯作者: 杜琪珍 E-mail:qizhendu@126.com

Separation and Identification of Two Functional Components in Purple Sweet Potato

DING Li-qing,DU Qi-zhen*   

  1. College of Food Science and Biotechnology Engineering, Zhejiang Gongshang University, Hangzhou 310012, China
  • Received:2010-03-31 Revised:2010-12-19 Online:2011-01-15 Published:2010-12-28
  • Contact: DU Qi-zhen* E-mail:qizhendu@126.com

摘要:

为更好的了解紫薯的营养价值,采用高速逆流色谱法分离紫薯的乙酸乙酯萃取物,并通过1H NMR、13CNMR、ESI-MS 和元素分析对分离得到的单体结构鉴定,得到两种功能性成分咖啡酸甲酯和咖啡酸乙酯。

关键词: 紫薯, 功能成分, 高速逆流色谱, 核磁共振, 电喷雾电离质谱

Abstract:

The two functional components including methyl caffeate and ethyl caffeate in purple sweet potato were obtained sequentially by extraction with hot ethanol, reextraction with ethyl acetate and high-speed countercurrent chromatographic (HSCCC) separation. The two compounds were identified by 1H NMR, 13C NMR, ESI-MS and element analysis.

Key words: purple sweet potato, functional components, high-speed countercurrent chromatography, nuclear magnetic resonance, electrospray ionization mass spectrometry

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