食品与发酵工业 >

2025 , Vol. 51 >Issue 3: 162 - 170

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.039079

研究报告

普鲁兰多糖-可溶性大豆多糖抗菌膜的制备及应用研究

  • 赵璠 ,
  • 江李君 ,
  • 李双蝶 ,
  • 王晨宇 ,
  • 孙迪 ,
  • 刘宇 ,
  • 姜维
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  • 1(浙江海洋大学, 国家海洋设施养殖工程技术研究中心(创新应用研究院), 浙江 舟山, 316022)
    2(浙江海洋大学 食品与药学学院, 浙江 舟山, 316022)
第一作者:硕士研究生(刘宇助理研究员和姜维研究员为共同通信作者,E-mail:liuyu1987@zjou.edu.cn;jiangw@zjou.edu.cn)

收稿日期: 2024-03-04

  修回日期: 2024-03-25

  网络出版日期: 2025-02-21

基金资助

浙江省基础公益研究计划项目(TGN23C200051);国家重点研发计划项目(2023YFD2401501);定海区科技计划项目(2022C31007);浙江省教育厅一般科研项目(Y202250593)

收起

Preparation and application research of pullulan-soluble soybean polysaccharide antimicrobial film

  • ZHAO Fan ,
  • JIANG Lijun ,
  • LI Shuangdie ,
  • WANG Chenyu ,
  • SUN Di ,
  • LIU Yu ,
  • JIANG Wei
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  • 1(National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan 316022, China)
    2(College of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China)

Received date: 2024-03-04

  Revised date: 2024-03-25

  Online published: 2025-02-21

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摘要

目前,可食膜作为潜在包装材料,性能有待提升。为改善普鲁兰多糖-可溶性大豆多糖(pullulan-soluble soybean polysaccharide,PS)热封膜的抗菌活性,提升其应用潜力,该文制备了负载ε-聚赖氨酸盐酸盐(ε-polylysine hydrochloride,ε-PL)的PS抗菌膜,分析了ε-PL添加量对PS抗菌膜结构、物理性能和抗菌活性的影响,并评价了PS抗菌膜包装肽粉的应用效果。结果表明,ε-PL与成膜基质相互作用生成氢键,并提高了PS抗菌膜的水分含量、断裂伸长率、阻隔性能和抗菌活性,降低了水接触角、拉伸强度、溶解时间和透光率,对热封强度和厚度无显著影响。当ε-PL添加量为0.4%(PS-0.4)时,膜的表面均匀致密、溶解时间短、抗菌活性和阻隔性能最佳。包装肽粉的应用结果表明,PS-0.4可有效抑制肽粉包装的吸湿率和菌落总数,且可在25 s内速溶。因此,该文制备了一种具有良好应用潜力的热封速溶抗菌膜,为便携式即热即溶方便食品提供包装材料支撑。

关键词： 抗菌活性; 普鲁兰多糖-可溶性大豆多糖膜; 速溶; 热封; 吸湿

本文引用格式

赵璠 , 江李君 , 李双蝶 , 王晨宇 , 孙迪 , 刘宇 , 姜维 . 普鲁兰多糖-可溶性大豆多糖抗菌膜的制备及应用研究[J]. 食品与发酵工业, 2025 , 51(3) : 162 -170 . DOI: 10.13995/j.cnki.11-1802/ts.039079

Abstract

At present, as a potential packaging material, the properties of edible film need to be improved.To improve the antimicrobial activity and application potential of pullulan-soluble soybean polysaccharide (PS) heat-sealable film, the PS antimicrobial films loaded with ε-polylysine hydrochloride (ε-PL) were prepared.The effects of the addition of ε-PL on the structure, physics properties and antimicrobial activity of PS antimicrobial film were explored, and the application of PS antimicrobial film for packaging peptide powder was further evaluated.The results indicated that ε-PL interact with the film-forming matrix by hydrogen bonds.After adding ε-PL to PS film, the moisture content, elongation at break, barrier property and antimicrobial activity increased, and the water contact angle, tensile strength, dissolution time and transmittance decreased, while had no significant effect on the heat seal strength and thickness.When 0.4% ε-PL was added, the PS antimicrobial film (PS-0.4) had a uniform and dense surface, short dissolution time, the best antimicrobial activity and barrier properties.The results of packaging peptide powder showed that PS-0.4 film could effectively inhibit the moisture absorption rate and the total plate count of peptide powder packaging, allowing for the packaged peptide powder to dissolve within 25 s.In summary, a heat-sealable and instantly dissolvable antimicrobial film with good application potential is prepared to provide packaging material support for portable instant hot and instantly dissolvable convenience foods.

Key words： antimicrobial activity; pullulan-soluble soybean polysaccharide film; quick-dissolving; heat-seal; moisture adsorption

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