Muhammad Naeem Asghar;

• 1:合肥工业大学食品科学与工程学院

摘要(Abstract)：

[目的]研究细茎石斛多糖的最佳提取条件及其抗氧化活性。[方法]通过单因素试验和响应面分析,研究细茎石斛多糖(DMP)的最佳提取条件。通过体外试验评价细茎石斛多糖的体外抗氧化活性。[结果]在料液比为1∶53,时间为3 h,温度为83℃的提取条件下,DMP最高产量可达185 mg/g。体外抗氧化活性研究结果表明,DMP对超氧阴离子自由基、ABTS自由基、羟基自由基具有明显的清除作用,其中对ABTS自由基清除能力与维生素C相当;DMP对DPPH自由基的清除能力和还原能力效果比较适中。[结论]该研究揭示细茎石斛多糖可以作为一种天然抗氧化剂,为基于多糖的药物及保健食品的开发提供新思路。

关键词(KeyWords)： 细茎石斛;多醣;最佳提取条件;抗氧化活性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(20872024)

作者(Author): Muhammad Naeem Asghar;

Email:

DOI: 10.13989/j.cnki.0517-6611.2018.20.001

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