| 玄参中多酚类化合物的抗氧化活性研究 |
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| 引用本文： | 刘质净,李丽,王晶,闫静,刘春明.玄参中多酚类化合物的抗氧化活性研究[J].时珍国医国药,2010,21(4). |
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| 作者姓名： | 刘质净 李丽 王晶 闫静 刘春明 |
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| 作者单位： | 1. 黑龙江中医药大学,黑龙江,哈尔滨,150040
2. 长春师范学院中心实验室,吉林,长春,130032 |
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| 基金项目： | 国家自然科学基金，吉林省科技厅科研项目，吉林省教育厅科研项目 |
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| 摘 要： | 目的 采用超声法分别以不同提取时间、不同浓度乙醇水溶液和不同极性提取溶剂对玄参中多酚类化合物进行提取.方法 采用Folin-Ciocalteu方法测定玄参不同提取物的总多酚含量,并通过DPPH抗氧化活性体外评价体系测定玄参不同提取物的抗氧化活性、清除自由基的能力.结果 40%乙醇提取物的总多酚含量最高,而20%乙醇提取物具有最好的清除DPPH自由基的能力.结论玄参中多酚类化合物具有较好的体外抗氧化活性.
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| 关 键 词： | 玄参 抗氧化活性 总多酚 |
Antioxidant Activities of Polyphenol from Scrophularia ningpoensis Hemsl |
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| LIU Zhi-jing,LI Li,WANG Jing,YAN Jing,LIU Chun-ming.Antioxidant Activities of Polyphenol from Scrophularia ningpoensis Hemsl[J].Lishizhen Medicine and Materia Medica Research,2010,21(4). |
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| Authors: | LIU Zhi-jing LI Li WANG Jing YAN Jing LIU Chun-ming |
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| Institution: | LIU Zhi-jing2,LI Li1,WANG Jing1,YAN Jing2,LIU Chun-ming1 (1.The Central Laboratory,Changchun Normal University,Changchun 130032,China,2.Heilongjiang University of Traditional Chinese Medicine,Harbin 150040,China) |
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| Abstract: | Objective To study the antioxidant activities of polyphenolics in Scrophularia ningpoensis Hemsl. Methods Folin-Ciocaileu method was developed for evaluation of the total phenolic content (TPCs) of different extracts, and the free radical 2,2- diphenyl -1- picrylhydrazyl (DPPH˙) assay was used to measure the antioxidant activity of different extracts. Results The TPCs of 40% ethanol extract showed the highest TPCs, and the 20% ethanol extract had the strongest activity of scavenging free radicals. Conclusion The polyphenol extracts of Scrophulariae have good antioxidant activity. |
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| Keywords: | DPPH Scrophulariae Antioxidant activity Total phenolic DPPH |
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