食品工业科技2018，Vol.39Issue(7)：175-180,6.DOI:10.13386/j.issn1002-0306.2018.07.032
黄秋葵超微粉多糖提取工艺的优化及其抗氧化活性测定
Optimization of extraction technology and determination of antioxidant activity of polysaccharides from superfine powder of okra
摘要
Abstract
The yield of polysaccharides in superfine powder that okra was prepared into was studied by ultrasonic-microwave assisted extraction method.The optimum process conditions were determined by response surface method.The antioxidant activity in vitro of polysaccharides extracted from superfine powder of okra was determined,including DPPH radical-scavenging,hydroxyl radical-scavenging,superoxide anion radical scavenging and reducing powers.The optimum extraction conditions were as follows:microwave time 2 min,ultrasonic time 14 min,and ultrasonic power 800 W.Under this optimized conditions,the experimental and predicted yield of polysaccharides was 27.68％ ± 0.42％.The IC50 for scavenging capacity of superfine powder of okra against DPPH·,O2-·,· OH and reducing power were 1.53,4.12,6.38 and 2.49 mg/mL respectively.关键词
黄秋葵超微粉/多糖/超声波-微波协同提取/响应面法/抗氧化Key words
superfine powder of okra/polysaccharides/ultrasonic-microwave assisted extraction/response surface methodology/antioxidant activity分类
轻工纺织引用本文复制引用
于梅,单凌越,井瑞洁,张鲲,张雅群,岳凤丽..黄秋葵超微粉多糖提取工艺的优化及其抗氧化活性测定[J].食品工业科技,2018,39(7):175-180,6.基金项目
山东省现代农业产业技术体系蔬菜创新团队贮藏加工岗位(SDAIT-05-14). （SDAIT-05-14）
