生产与科研应用

改性聚乙烯醇与聚丙烯复合包装对饼干的防潮及抑菌性研究

  • 陈祖国 ,
  • 李绍菁 ,
  • 杨菁卉 ,
  • 柴莉 ,
  • 杨福馨
展开
  • (上海海洋大学 食品学院,上海,201306)
硕士研究生(杨福馨教授为通讯作者,E-mail:yfxyt1999@163.com)

收稿日期: 2021-02-19

  修回日期: 2021-03-18

  网络出版日期: 2021-11-04

基金资助

国家重点研发计划资助项目(2018YDF400701);上海市科委工程中心建设基金资助项目(11DZ2280300);上海高校一流学科基金资助项目(A2-2019-14-0003)

Moisture-proof and antibacterial properties of modified polyvinyl alcohol and polypropylene composite packaging on biscuits

  • CHEN Zuguo ,
  • LI Shaojing ,
  • YANG Jinghui ,
  • CHAI Li ,
  • YANG Fuxin
Expand
  • (College of Food Science and Technology,Shanghai Ocean University,Shanghai 201306,China)

Received date: 2021-02-19

  Revised date: 2021-03-18

  Online published: 2021-11-04

摘要

以羟丙基甲基纤维素(hydroxypropyl methyl cellulose,HPMC)为增稠剂、分散剂、稳定剂,脱氢乙酸钠为抗菌剂,复合改性聚乙烯醇(polyvinyl alcohol,PVA)薄膜,对改性薄膜性能进行测定。并通过在相对湿度90%,温度28 ℃的恒温恒湿条件下,使用复合聚丙烯(polypropylene,PP)薄膜对蔓越莓饼干进行保鲜实验,测定饼干质量增长率、质构变化、菌落总数和感官评价,研究不同改性薄膜和PP薄膜对蔓越莓饼干保鲜的影响。结果表明,PVA、HPMC、脱氢乙酸钠的质量分数分别为12%、0.9%、6%的改性薄膜最具阻隔性,与PP薄膜复合制成的包装对饼干的保鲜效果最佳,与PP包装相比,饼干的防潮性和质构均明显提高,并延长货架期20 d,有利于饼干的运输与保藏。

本文引用格式

陈祖国 , 李绍菁 , 杨菁卉 , 柴莉 , 杨福馨 . 改性聚乙烯醇与聚丙烯复合包装对饼干的防潮及抑菌性研究[J]. 食品与发酵工业, 2021 , 47(19) : 237 -243 . DOI: 10.13995/j.cnki.11-1802/ts.027079

Abstract

The polyvinyl alcohol (PVA) film was prepared by the composite modification method using hydroxypropyl methyl cellulose (HPMC) as a thickener, dispersant and stabilizer, and sodium dehydroacetate was used as an antibacterial agent. The performance of the modified film PVA and polypropylene (PP) was measured under the constant conditions of 90% humidity and 28 ℃on the preservation of biscuits. It was tested for biscuits on the quality growth rate, texture change, total number of colonies and sensory evaluation. The results showed that the mass score of modified films of PVA, HPMC and sodium dehydroacetate was 12%, 0.9% and 6% respectively, which had the most barrier properties. Therefore, the package made with modified PVA and PP film had the best preservation effect on biscuits. Compared with PP packaging, the moisture resistance and texture of biscuits were significantly improved, and the shelf life was extended by 20 d which was beneficial to the transportation and preservation of biscuits.

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