文献类型：期刊文献

中文题名：决明子抗氧化成分提取工艺的优化及性能测定

英文题名：Optimization of Extraction Process of Antioxidant Components from Cassia Seed and Determination of Its Antioxidant Activity

作者：李小芳[1];冯小强[1];杨声[2];韩治军[1]

第一作者：李小芳

机构：[1]天水师范学院生命科学与化学学院,甘肃天水741001;[2]定西师范高等专科学校,甘肃定西743000

第一机构：天水师范学院生命科学与化学学院,甘肃天水741001

年份：2012

期号：9

起止页码：96

中文期刊名：湖南农业科学

外文期刊名：Hunan Agricultural Sciences

基金：天水师范学院物理无机化学重点学科基金(ZD0840);天水师范学院中青年教师科研资助项目(TSA1003);天水师范学院"青蓝"人才工程资助项目

语种：中文

中文关键词：决明子;提取;抗氧化活性

外文关键词：cassia seed; extract; antioxidant activity

摘要：采用正交试验对决明子中抗氧化成分的提取工艺条件进行优选,并通过测定抗氧化成分对·OH和O2-·的清除率和还原力研究其抗氧化活性。最佳的提取条件为:温度75℃,固液比1∶12,提取时间2 h。决明子中抗氧化成分对·OH和O2-·具有一定的清除能力,且随浓度的增大抗氧化性增强,其还原力也显著增强。该研究为决明子在食品和医药行业的应用提供了科学依据。
To optimize the extracting conditions of antioxidant components from cassia seed and to determine its antioxidant activity. The extraction conditions were optimized by orthogonal test. The scavenging rate of cassia seed extracts to superoxide anion radical ·OH and hydroxyl radical O2-· and reducing power were determined to study its antioxidant activity. The results showed that the optimal extracting conditions were as follows： temperature is 75℃, solid- liquid ratio is 1：12, and extraction time is 2 h. The antioxidant components in cassia seed had certain scavenging ability to · OH 和 O2-·, and it increased with increasing concentration of antioxidant components. With increasing concentration of antioxidant components, the reducing power of it significantly increased. This study provided scientific basis for application of cassia seed in the industry of food and medicine.