篱栏网多糖的提取工艺优化及抗氧化活性  

Optimization of extraction process of polysaccharide from Merremia hederacea and its antioxidant activity

作　　者：陈淑芳 黎庆涛[1] 黄凯[2] 邬智高[2] 张文清[2] 张良军[2] CHEN Shu-fang;LI Qing-tao;HUANG Kai;WU Zhi-gao;ZHANG Wen-qing;ZHANG Liang-jun(College of Light Industry and Food Engineering,Guangxi University,Nanning 530004,China;College of Medicine and Health,Guangxi Vocational & Technical Institute of Industry,Nanning 530004,China)

机构地区：[1]广西大学轻工与食品工程学院,广西南宁530004 [2]广西工业职业技术学院医药健康学院,广西南宁530004

出　　处：《应用化工》2021年第11期3031-3035,共5页Applied Chemical Industry

基　　金：广西自然科学基金项目(2018GXNSFAA050143);桂工业院科研项目(2018036KY005)。

摘　　要：优化了热水浸提法提取篱栏网多糖的工艺,最佳条件为:液料比26 mL/g,温度94.5℃,提取时间3.6 h,提取次数2次,此时多糖提取率为(4.38±0.04)%;该多糖清除DPPH自由基的IC_(50)值为(0.12±0.03)mg/mL,清除羟基自由基的IC_(50)值为(1.21±0.02)mg/mL。The Merremia hederacea polysaccharides were extracted by hot water,and optimize the extraction process.The optimal extraction process was as follows:the ratio of liquid to solid was 26 mL/g,the extraction temperature was 94.5℃,the extraction time was 3.6 h,the extraction times were 2 times,the extraction rate of polysaccharide was(4.38±0.04)%.This polysaccharides IC_(50)value of DPPH free radical was(0.12±0.03)mg/mL,and the IC_(50) value of scavenging hydroxyl free radical was(1.21±0.02)mg/mL.

关 键 词：篱栏网 多糖提取 响应面分析 抗氧化活性 

分 类 号：TQ461[化学工程—制药化工] R932[医药卫生—生药学]