| 莲藕中酚类物质的提取分析及酶促褐变底物的研究 |
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| 引用本文： | 王清章,彭光华,金悠,李洁,严守雷. 莲藕中酚类物质的提取分析及酶促褐变底物的研究[J]. 分析科学学报, 2004, 20(1): 38-40 |
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| 作者姓名： | 王清章 彭光华 金悠 李洁 严守雷 |
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| 作者单位： | 华中农业大学食品科技系,武汉,430070;华中农业大学食品科技系,武汉,430070;华中农业大学食品科技系,武汉,430070;华中农业大学食品科技系,武汉,430070;华中农业大学食品科技系,武汉,430070 |
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| 基金项目： | 武汉市重点科技攻关项目(No.982001016) |
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| 摘 要： | 用TLC和HPLC法分析了莲藕中提取的酚类物质。莲藕中含有多巴、儿茶酚、没食子酸、D-( )-儿茶素和L-(-)-表儿茶素。对莲藕中多酚氧化酶(PPO)的特性进行研究，结果表明：莲藕中PPO的最适酚类底物为没食子酸。
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| 关 键 词： | 莲藕 多酚 多酚氧化酶 |
| 文章编号： | 1006-6144(2004)01-0038-03 |
| 修稿时间： | 2002-08-29 |
Extraction of Polyphenol from Lotus Roots and Its Enzymatic Browning Substrate |
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| WANG Qing-zhang,PEN Guang-hua,JIN You,LI Jie,YAN Shou-lei. Extraction of Polyphenol from Lotus Roots and Its Enzymatic Browning Substrate[J]. Journal of Analytical Science, 2004, 20(1): 38-40 |
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| Authors: | WANG Qing-zhang PEN Guang-hua JIN You LI Jie YAN Shou-lei |
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| Affiliation: | WANG Qing-zhang~*,PEN Guang-hua,JIN You,LI Jie,YAN Shou-lei |
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| Abstract: | Phenolics were isolated by TLC and HPLC from lotus roots and identified as dopa, catechol, gallic acid, D-(+)-catechin and L-(-)-epicatechin.Polyphenoloxidase(PPO) activity in lotus root was also estimated, and the results showed the optimum substrate of the PPO was gallic acid. |
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| Keywords: | Lotus root Polyphenol Polyphenoloxidase |
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