食品与发酵工业 >

2021 , Vol. 47 >Issue 15: 171 - 177

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.026501

生产与科研应用

微波提取对百合多糖流变性及生物活性的影响

  • 黄群惠 ,
  • 黄志芸 ,
  • 田文静 ,
  • 李正逗 ,
  • 丁玲 ,
  • 史金涵 ,
  • 马旺军 ,
  • 麻玉婷 ,
  • 张继
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  • 1(西北师范大学 生命科学学院,甘肃 兰州,730070)
    2(甘肃省特色植物有效成分制品工程技术研究中心,甘肃 兰州,730070)
    3(西北师范大学 新农村发展研究院,甘肃 兰州,730070)
硕士研究生(张继研究员为通讯作者,E-mail:zhangji@nwnu.edu.cn)

收稿日期: 2020-12-19

  修回日期: 2021-02-10

  网络出版日期: 2021-08-23

基金资助

国家自然基金项目(51873175)

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Effect of microwave extraction on rheology and biological activity of lily polysaccharide

  • HUANG Qunhui ,
  • HUANG Zhiyun ,
  • TIAN Wenjing ,
  • LI Zhengdou ,
  • DING Ling ,
  • SHI Jinhan ,
  • MA Wangjun ,
  • MA Yuting ,
  • ZHANG Ji
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  • 1(College of Life Science,Northwest Normal University,Lanzhou 730070,China)
    2(Bioactive Products Engineering and Distinctive Plants Technology Research Center for Gansu,Lanzhou 730070,China)
    3(Institute of New Rural Development,Northwest Normal University,Lanzhou 730070,China)

Received date: 2020-12-19

  Revised date: 2021-02-10

  Online published: 2021-08-23

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摘要

分别采用不同功率、时间和温度的微波辅助热水浸提法提取百合多糖,并用红外光谱对百合多糖进行初步结构表征,研究百合多糖的流变特性,测试其流动性、触变性。对比了7种不同微波辅助法提取出的百合多糖的体外抗氧化活性。红外光谱分析结果表明,不同微波条件提取出的百合多糖在3 382、2 928、1 636、1 415和802 cm-1等处均有吸收峰,表明百合多糖是酸性多糖;流变性质测定结果显示不同微波条件下提取的百合多糖都具有不同程度的流动性和触变性,可应用于食品加工;体外抗氧化实验显示不同微波辅助提取的百合多糖均有抗氧化活性,在医药研究与生产中具有重要的应用价值。

关键词： 百合多糖; 微波提取; 流变特性; 抗氧化

本文引用格式

黄群惠 , 黄志芸 , 田文静 , 李正逗 , 丁玲 , 史金涵 , 马旺军 , 麻玉婷 , 张继 . 微波提取对百合多糖流变性及生物活性的影响[J]. 食品与发酵工业, 2021 , 47(15) : 171 -177 . DOI: 10.13995/j.cnki.11-1802/ts.026501

Abstract

Different power, time and temperature were optimized in microwave-assisted hot water extraction method to extract LPS. And the preliminary structural of LPS was characterized by FT-IR. To study the rheological properties of LPS, and its fluidity and thixotropy, the antioxidant activities in vitro of LPS extracted by seven different microwave-assisted methods were compared. The results showed that the LPS extracted by FT-IR under different microwave conditions had the characteristic absorption peaks of polysaccharides (at 3 382, 2 928, 1 636, 1 415 and 802 cm-1), which indicating that the LPS were an acidic polysaccharide. The results of rheological properties showed that the LPS extracted with different microwave conditions had different degrees of fluidity and thixotropy. And antioxidant in vitro experiments showed that the LPS extracted with different microwave-assisted had antioxidant activities, it has important application value in medical research and production.

Key words： LPS; microwave-assisted extraction; rheological properties; anti-oxidant activity

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