食品与发酵工业 >

2024 , Vol. 50 >Issue 7: 197 - 202

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.035123

研究报告

丁香酸多孔淀粉酯的制备与表征

  • 陈瑞喜 ,
  • 马云翔 ,
  • 李建刚 ,
  • 张晓萌 ,
  • 周治屹 ,
  • 陈金凤 ,
  • 汪月 ,
  • 张盛贵
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  • 1(甘肃农业大学 理学院,甘肃 兰州,730070)
    2(甘肃农业大学 食品科学与工程学院,甘肃 兰州,730070)
第一作者:硕士研究生(张盛贵教授为通信作者,E-mail:zhangshenggui@gsau.edu.cn)

收稿日期: 2023-02-13

  修回日期: 2023-03-22

  网络出版日期: 2024-05-09

基金资助

甘肃农业大学伏羲人才计划(Gaufx-04J02)

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Preparation and characterization of syringic acid porous starch ester

  • CHEN Ruixi ,
  • MA Yunxiang ,
  • LI Jiangang ,
  • ZHANG Xiaomeng ,
  • ZHOU Zhiyi ,
  • CHEN Jinfeng ,
  • WANG Yue ,
  • ZHANG Shenggui
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  • 1(College of Science, Gansu Agricultural University, Lanzhou 730070, China)
    2(College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China)

Received date: 2023-02-13

  Revised date: 2023-03-22

  Online published: 2024-05-09

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摘要

以马铃薯多孔淀粉(porous starch, PS)为材料,制备具有较好溶解性和抗氧化性的丁香酸多孔淀粉酯(syringic acid porous starch ester, SA@PS)。实验通过N2-吸/脱附、扫描电镜、傅里叶变换红外光谱、液态核磁等方法,研究了SA@PS的特性。结果表明,以PS(比表面积14.69 m2/g)为主体,可制备取代度为0.06～0.25的SA@PS;傅里叶变换红外光谱和液体核磁共振氢谱证明SA和PS之间形成了酯键;X射线衍射表明酯化反应改变了淀粉的结晶类型;SA@PS具备较强的抗氧化活性,可用于光、氧化或高温敏感分子的保护材料。

关键词： 多孔淀粉; 丁香酸; 酯化反应; 结构表征

本文引用格式

陈瑞喜 , 马云翔 , 李建刚 , 张晓萌 , 周治屹 , 陈金凤 , 汪月 , 张盛贵 . 丁香酸多孔淀粉酯的制备与表征[J]. 食品与发酵工业, 2024 , 50(7) : 197 -202 . DOI: 10.13995/j.cnki.11-1802/ts.035123

Abstract

In this study, potato porous starch (PS) is used as a material to prepare a syringic acid porous starch ester (SA@PS) with better solubility and antioxidant activity.The experiment used N2-adsorption/desorption, scanning electron microscopy, Fourier transform infrared spectroscopy, liquid nuclear magnetic (1H NMR), and other methods to investigate the properties of the prepared samples SA@PS.Using PS (specific surface area 14.69 m2/g) as the main body, syringic acid porous starch ester (SA@PS) with a degree of substitution (DS) of 0.06-0.25 was successfully prepared in a non-aqueous system.Fourier transform infrared spectroscopy and 1H liquid state nuclear magnetic resonance confirmed the formation of ester linkage between SA and PS.X-ray diffraction showed that PS was in an amorphous and disordered state, while SA@PS underwent crystalline retrogradation to form a new crystalline structure.SA@PS had strong antioxidant activity and can be used as a protective material against light, oxidation, or high-temperature sensitive molecules.

Key words： porous starch; syringic acid; esterification reaction; structural characterization

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