| 紫薯中两种功能性成分的分离鉴定 |
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| 引用本文： | 丁利庆,杜琪珍. 紫薯中两种功能性成分的分离鉴定[J]. 食品科学, 2011, 32(1): 74-77. DOI: 10.7506/spkx1002-6630-201101018 |
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| 作者姓名： | 丁利庆 杜琪珍 |
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| 作者单位： | 浙江工商大学食品与生物工程学院 |
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| 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。
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| 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 |
| 收稿时间： | 2010-03-31 |
Separation and Identification of Two Functional Components in Purple Sweet Potato |
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| DING Li-qing,DU Qi-zhen. Separation and Identification of Two Functional Components in Purple Sweet Potato[J]. Food Science, 2011, 32(1): 74-77. DOI: 10.7506/spkx1002-6630-201101018 |
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| Authors: | DING Li-qing DU Qi-zhen |
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| Affiliation: | College of Food Science and Biotechnology Engineering, Zhejiang Gongshang University, Hangzhou 310012, China |
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| 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. |
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| Keywords: | purple sweet potato functional components high-speed countercurrent chromatography nuclear magnetic resonance electrospray ionization mass spectrometry |
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