| 水蜈蚣总多酚提取工艺及其提取物的抗氧化性研究 |
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| 引用本文： | 贤景春,傅彩红.水蜈蚣总多酚提取工艺及其提取物的抗氧化性研究[J].安徽农业科学,2010,38(33):18763-18764,18767. |
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| 作者姓名： | 贤景春 傅彩红 |
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| 作者单位： | 泉州师范学院化学与生命科学学院,福建泉州,362000;泉州师范学院化学与生命科学学院,福建泉州,362000 |
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| 基金项目： | 福建省泉州市科技计划项目，泉州师范学院硕士学位授予单位立项建设化学学科资助项目 |
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| 摘 要： | 目的]研究水蜈蚣总多酚提取工艺及其提取物的抗氧化性能。方法]采用分光光度法研究乙醇浓度、浸提温度、浸提时间和料液比对水蜈蚣多酚提取率的影响,并用正交试验法对其提取工艺进行优化。结果]水蜈蚣总多酚最佳提取工艺为乙醇浓度80%,浸提温度70℃,浸提时间1.5 h,料液比1∶20。结论]采用最佳提取工艺提取的水蜈蚣总多酚含量达5.09 mg/g,水蜈蚣提取物对羟基自由基具有一定的清除作用。
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| 关 键 词： | 水蜈蚣 多酚 提取工艺 抗氧化性 |
Study on the Extraction Technology of Total Polyphenol in Kyllinga brevifolia and Antioxidation of Extract |
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| Institution: | XIAN Jing-chun et al ( The College of Chemistry and Life Science, Quanzhou Normal College, Quanzhou, Fujian 362000) |
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| Abstract: | Objective] The aim was to study the extraction of total polyphenol in Kyllinga brevifolia and antioxidation of extract.Method] The effects of ethanol concentration,temperature,time and solid-liquid ratio on extraction rate of polyphenol in Kyllinga brevifolia were researched by using spectrophotometry,and the extraction technology was optimized by using orthogonal test.Result] The best extraction technology was ethanol concentration of 80%,temperature of 70 ℃,time of 1.5 h,solid-liquid ratio of 1∶20.Conclusion] The total polyphenol in Kyllinga brevifolia reached to 5.09 mg/g of the best extraction technology,and the extract of Kyllinga brevifolia has some scavenging effects on hydroxyl radical. |
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| Keywords: | Kyllinga brevifolia Polyphenol Extraction technology Antioxidation |
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