黄秋葵多糖的超声法提取及体外抗氧化活性研究  

Study on ultrasonic extraction and antioxidative activity of polysaccharides from Abelmoschus esculentus

作　　者：韩秋菊[1] 王晨[1] 陈旺 李薇[1] HAN Qiu-ju;WANG Chen;CHEN Wang;LI Wei(School of Environmental and Biological Engineering,Liaoning Petrochemical University,Fushun 113001,China)

机构地区：[1]辽宁石油化工大学化学化工与环境学部,辽宁抚顺113001

出　　处：《应用化工》2021年第6期1572-1575,1581,共5页Applied Chemical Industry

基　　金：辽宁省高等学校杰出青年学者成长计划(LJQ2014040)。

摘　　要：采用超声提取黄秋葵多糖的最佳提取工艺为:液料比45∶1 mL/g,超声时间18 min,提取温度62℃,超声功率395 W。在此条件下,黄秋葵多糖的提取率(6.94±0.0624)%。黄秋葵多糖具有一定的体外抗氧化能力,清除超氧阴离子自由基的IC_(50)值为2690.8μg/mL,清除羟基自由基的IC_(50)值为1999.8μg/mL,对Fe~(3+)有较好的还原能力。The ultrasonic extraction technology was used to extract the polysaccharide from Abelmoschus esculentus.The best ultrasonic extraction technology was:liquid to material ratio 45∶1 mL/g,ultrasonic time 18 min,extraction temperature 62℃,ultrasonic power 395 W.Under this condition,the extraction rate was(6.94±0.0624)%.The polysaccharide had certain antioxidant capacity in vitro.The IC 50 value of scavenging superoxide anion free radical was 2690.8μg/mL,and the IC 50 value of scavenging hydroxyl free radical was 1999.8μg/mL.It has good reduction ability for Fe^(3+).

关 键 词：黄秋葵 多糖 超声提取 抗氧化活性 

分 类 号：TQ911[化学工程] TS255[轻工技术与工程—农产品加工及贮藏工程]