苦槠粉/羧甲基壳聚糖膜的制备及抗氧化能力评价

doi:10.14088/j.cnki.issn0439-8114.2020.08.026

湖北农业科学 ›› 2020, Vol. 59 ›› Issue (8): 116-120.doi: 10.14088/j.cnki.issn0439-8114.2020.08.026

苦槠粉/羧甲基壳聚糖膜的制备及抗氧化能力评价

王杰, 夏彩芬, 周丽, 田翔

湖北工程学院化学与材料科学学院,湖北孝感 432000

收稿日期:2019-06-27 出版日期:2020-04-25 发布日期:2020-07-03
通讯作者: 夏彩芬（1979-）,女,湖北武汉人,副教授,（电话）13971968074（电子信箱）xintong7903@126.com。
作者简介:王杰（1997-）,女,河南开封人,在读硕士研究生,研究方向为应用化学,（电话）15897696773（电子信箱）2863029681@qq.com。
基金资助:
湖北省教育厅科学技术研究项目（B2015034）; 国家自然科学基金项目（21503075）

Preparation and antioxidant evaluation on hardleaf oatchestnut starch/carboxymethyl chitosan blended-membrane

WANG Jie, XIA Cai-fen, ZHOU Li, TIAN Xiang

College of Chemistry and Materials Science,Hubei Engineering University,Xiaogan 432000,Hubei,China

Received:2019-06-27 Online:2020-04-25 Published:2020-07-03

摘要/Abstract

摘要： 以羧甲基壳聚糖（CMC）与聚乙二醇（PEG）为铸膜液,以苦槠淀粉（HOS）为抗氧化添加剂,采用高速剪切的方式制备了HOS/CMC/PEG复合膜,并对复合膜进行力学性能测试、形貌表征及抗氧化能力评价。由试验结果可知,HOS在复合膜中均匀分布,当HOS含量为13%时,对DPPH自由基清除率能达到11.92%;当HOS含量为10%时,对超氧阴离子（O₂^-）去除能力最高,为15.26%;当HOS含量为7%时,对羟基自由基（·OH）清除率最高,为40.57%。

关键词: 羧甲基壳聚糖, 苦槠粉, 抗氧化能力, 高速剪切

Abstract: The blended-membrane was prepared with hardleaf oatchestnut starch （HOS） as antioxidant, carboxymethyl chitosan （CMC） and polyethylene glycol （PEG） as casting solutions by high speed shearing mode. The morphology and antioxidant activity of the HOS/CMC/PEG blended-membrane were characterized by scanning electron microscopy and oxidant tests. The results showed the HOS was evenly distributed in the blended-membrane. The scavenging rate of DPPH free radical was 11.92% when the content of HOS was 13% （weight percent）. The scavenging rate of superoxide anion was 15.26% when the content of HOS was 10%（weight percent）. And the scavenging rate of hydroxyl free radical was up to 40.57% when the content of HOS was 7%.

Key words: carboxymethyl chitosan, hardleaf oatchestnut starch, antioxidant evaluation, high-speed shearing

中图分类号:

TQ914.1

王杰, 夏彩芬, 周丽, 田翔. 苦槠粉/羧甲基壳聚糖膜的制备及抗氧化能力评价[J]. 湖北农业科学, 2020, 59(8): 116-120.

WANG Jie, XIA Cai-fen, ZHOU Li, TIAN Xiang. Preparation and antioxidant evaluation on hardleaf oatchestnut starch/carboxymethyl chitosan blended-membrane[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(8): 116-120.

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苦槠粉/羧甲基壳聚糖膜的制备及抗氧化能力评价

Preparation and antioxidant evaluation on hardleaf oatchestnut starch/carboxymethyl chitosan blended-membrane

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