| 叶下珠荧光物质的分离和性质研究 |
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| 引用本文： | 叶勇,陈坤,张永波,朱全红.叶下珠荧光物质的分离和性质研究[J].四川激光,2009,30(2):73-74. |
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| 作者姓名： | 叶勇 陈坤 张永波 朱全红 |
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| 作者单位： | 叶勇,陈坤,张永波,YE Yong,CHEN kun,ZHANG Yong-bo(华南理工大学化学与化工学院,广州,510640);朱全红,ZHU Quan-hong(南方医科大学中医药学院,广州,510515)
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| 基金项目： | 国家大学生创新计划项目，教育部传热节能重点实验室基金 |
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| 摘 要： | 目的：研究叶下珠药材中的荧光活性物质及性质，为光敏剂的筛选提供资料。方法：采用50％乙醇提取、乙酸乙酯萃取，对叶下珠植物提取分离：采用荧光扫描确定提取液激发波长和发射波长。提取液经硅胶柱层析，氯仿：甲醇：磷酸（85：14：1）洗脱。结果：提取液最小激发波长和最大发射波长分别为418nm和667nm。硅胶柱层析获得6种组分，其中一种组分，经418nm光激发后，在667nm处具有较强的荧光发射峰。pH酸性、提高温度和光照均可提高其荧光强度，碱件条件会导致其荧光猝灭。通过液质测定，推断其为珠子草素。结论：该成分具有光敏剂开发前景。
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| 关 键 词： | 叶下珠 分离 荧光性质 |
Separation and properties of fluorescent compound in phyllantuus urinaria L. |
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| YE Yong,CHEN Kun,ZHANG Yong-bo,ZHU Quan-hong .School of Chemistry , Chemical Engineering,South China Univ.of Tech,Guangzhou ,China,.School of TCM,Southern Medical Univ.Guangzhou.Separation and properties of fluorescent compound in phyllantuus urinaria L.[J].Laser Journal,2009,30(2):73-74. |
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| Authors: | YE Yong CHEN Kun ZHANG Yong-bo ZHU Quan-hong School of Chemistry Chemical Engineering South China Univof Tech Guangzhou China School of TCM Southern Medical UnivGuangzhou |
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| Institution: | YE Yong1,CHEN Kun2,ZHANG Yong-bo1,ZHU Quan-hong2 1.School of Chemistry , Chemical Engineering,South China Univ.of Tech,Guangzhou 510640,China,2.School of TCM,Southern Medical Univ.Guangzhou 510515 |
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| Abstract: | Objective:To research the fluorescent compound in the plant of Phyllantuus urinaria L and its properties,provide the data for screening of photo sensitizer.Methods:The plant was extracted by 50% ethanol,ethyl acetate,then purified by silica gel column with the elution of chloroform:methanol:phosphoric acid(85:14:1).The excitation and emission wavelength were scanned by fluorescence spectrophotometer.Results:The min-excitation and max-emission wavelength of extract were respectively 418nm and 667nm.Six fract... |
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| Keywords: | phyllantuus urinaria L separation fluorescence properties |
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