食品与发酵工业 >

2022 , Vol. 48 >Issue 19: 162 - 168

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.032180

研究报告

酚酸接枝壳聚糖对壳聚糖膜性能的影响及其保鲜应用

  • 黄宸 ,
  • 刘伟佳 ,
  • 谢晶 ,
  • 李立 ,
  • 薛斌 ,
  • 李晓晖 ,
  • 邵则淮 ,
  • 卞晓军 ,
  • 孙涛
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  • 1(上海海洋大学 食品学院,上海,201306)
    2(上海水产品加工及贮藏工程技术研究中心,上海,201306)
    3(农业部冷库及制冷设备质量监督检验测试中心,上海,201306)
第一作者：硕士研究生(李晓晖副教授和孙涛副教授为共同通信作者,E-mail:xhli@shou.edu.cn;taosun@shou.edu.cn)

收稿日期: 2022-05-06

  修回日期: 2022-06-08

  网络出版日期: 2022-11-01

基金资助

国家自然科学基金项目(31571914,31972142)

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Effects of phenolic acid-grafted-chitosan on the properties and preservation of chitosan film

  • HUANG Chen ,
  • LIU Weijia ,
  • XIE Jing ,
  • LI Li ,
  • XUE Bin ,
  • LI Xiaohui ,
  • SHAO Zehuai ,
  • BIAN Xiaojun ,
  • SUN Tao
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  • 1(College of Food Science & Techology, Shanghai Ocean University, Shanghai 201306, China)
    2(Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China)
    3(Quality Supervision, Inspection and Testing Center for Cold Storage and Refrigeration Equipment Ministry of Agriculture, Shanghai 201306, China)

Received date: 2022-05-06

  Revised date: 2022-06-08

  Online published: 2022-11-01

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摘要

以制得的3种接枝率相近的酚酸壳聚糖为原料制备复合膜,考察酚酸的结构对壳聚糖膜性能的影响,并研究了膜的物理性质、生物活性及其在保鲜方面的应用。结果表明,与酚酸接枝降低了壳聚糖膜的水分含量和水蒸气渗透性,同时提高了膜的不透明度、水溶性、拉伸强度、断裂伸长率、杨氏模量、抗氧化和抗菌活性。其中,咖啡酸接枝壳聚糖(caffeic acid-grafted-chitosan, CA-g-CS)膜比对香豆酸/阿魏酸接枝壳聚糖膜表现出更好的上述性能,这可能是由于咖啡酸中存在2个酚羟基造成的。同时,CA-g-CS膜能更有效地延缓南美白对虾贮藏过程中的失重率和pH值的升高,抑制挥发性盐基氮积累和微生物生长。研究表明,酚酸接枝壳聚糖膜对南美白对虾的保鲜作用及其性能受酚酸中羟基位置和数量的影响。

关键词： 壳聚糖; 酚酸; 接枝共聚; 膜

本文引用格式

黄宸 , 刘伟佳 , 谢晶 , 李立 , 薛斌 , 李晓晖 , 邵则淮 , 卞晓军 , 孙涛 . 酚酸接枝壳聚糖对壳聚糖膜性能的影响及其保鲜应用[J]. 食品与发酵工业, 2022 , 48(19) : 162 -168 . DOI: 10.13995/j.cnki.11-1802/ts.032180

Abstract

The mechanical and biological properties of chitosan films need to improve.This paper aims to prepare three kinds of phenolic acid-grafted-chitosan with similar grafting rates, and then prepare composite films.The physical properties, bioactivities, and preservation application of the films were evaluated.Results showed that the grafting of phenolic acids with chitosan decreased the moisture content and water vapor permeability and increased the opacity, water-solubility, tensile strength, elongation at break, Young’s modulus, antioxidant, and antimicrobial activities of chitosan film.Caffeic acid-grafted-chitosan (CA-g-CS) film exhibited better above-mentioned properties than p-coumaric acid/ferulic acid-grafted-chitosan films, which may be caused by the phenomenon that there were two phenolic hydroxyl groups in caffeic acid.Meanwhile, CA-g-CS film could more effectively retard weight loss, pH increase, volatile base nitrogen accumulation, and microbial growth of Penaeus vannamei during storage.Our work revealed that the preservative of phenolic acid-grafted-chitosan films’ effect on P.vannamei and its properties were significantly influenced by the position and number of hydroxyl groups in phenolic acids.

Key words： chitosan; phenolic acids; grafted; film

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