ZHU Miao,CHEN Chong,LI Gangfeng,et al.Ultrasonic Assisted Extraction of Polysaccharide From Lycopus lucidus Turcz and Its Functional Properties[J].Northern Horticulture,2018,42(14):123-130.[doi:10.11937/bfyy.20180477]
超声辅助提取地参多糖及其功能性质
- Title:
- Ultrasonic Assisted Extraction of Polysaccharide From Lycopus lucidus Turcz and Its Functional Properties
- Keywords:
- response surface method; ultrasonic power; Lycopus lucidus Turcz; polysaccharide; extraction; antioxidant activity; functional properties
- 文献标志码:
- A
- 摘要:
- 以地参为试材，在单因素试验基础上，利用响应面优化地参多糖的超声波辅助提取工艺，并对抗氧化性及功能特性等进行了研究。结果表明：超声辅助提取地参多糖的最佳工艺为料液比1∶48 g·mL-1，超声功率280 W，热水浸提温度80 ℃，热水浸提时间90 min，此时地参的多糖得率为7.2%，多糖含量为61.8%。地参多糖对羟自由基和超氧阴离子的清除能力IC50分别为4.56、3.38 mg·mL-1。其吸油性、泡沫稳定性及吸湿性较好，而起泡性、保湿性能则一般。
- Abstract:
- Lycopus lucidus Turcz was taken as test material,the ultrasound-assisted extraction of polysaccharides from Lycopus lucidus Turcz was optimized with extraction rate as index by response surface methodology based on single factor experiment.And the antioxidant activity and functional property were researched.The results showed that the optimal extraction conditions were obtained as follows，solid-liquid ratio 1∶48 g·mL-1,ultrasonic power 280 W,extraction temperature 80 ℃,extraction time 90 minutes.Under these conditions,the yield of polysaccharides was 7.2%,the content of polysaccharide was 61.8%.The half-scavenging rates (IC50) on·OH and superoxide anion of the extracted polysaccharides were 4.56 mg·mL-1 and 3.38 mg·mL-1,respectively.The oil absorption,foaming stability and moisture absorption of polysaccharides were well,while the foaming ability and moisture retentionwere in general.
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备注/Memo
第一作者简介：朱苗(1989-)，女，硕士，讲师，研究方向为食品加工与保藏。E-mail：a787114136@gmail.com.基金项目：贵州省科技厅联合基金资助项目（黔科合LH字[2015]7243号）；贵州省教育厅梵净山特色动植物资源重点实验室资助项目（黔教合KY字（2011）005）；贵州省教育厅大学生创新创业训练中心资助项目（2016SJDCZX001）；化学工程与技术省级重点学科资助项目（黔学位合字ZDXK[2017]8号）。收稿日期：2018-03-09