Cinnamon essential oil pickering emulsion-gellan gum composite films: A sustainable active packaging strategy for pork preservation
文献类型： 外文期刊
作者： Huang, Xiaowei 1 ; Zhao, Wanying 1 ; Zhang, Ke 1 ; Shi, Jiyong 1 ; Zhai, Xiaodong 1 ; Zhang, Junjun 1 ; Shen, Tingting 1 ; Liu, Hongcheng 3 ; Lin, Tao 3 ; Zou, Xiaobo 1 ; Li, Zhihua 1 ;
作者机构： 1.Jiangsu Univ, Sch Food & Biol Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
2.Nanjing Univ Finance & Econ, Coll Food Sci & Engn, Collaborat Innovat Ctr Modern Grain Circulat & Saf, Nanjing 210023, Peoples R China
3.Yunnan Acad Agr Sci, Inst Qual Stand & Testing Technol, Kunming 650223, Yunnan, Peoples R China
关键词： Pickering emulsion; Gellan gum; Active packaging film; Pork preservation
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.5； 五年影响因子：8.7 ）
ISSN： 0141-8130
年卷期： 2025 年 318 卷
页码：
收录情况： SCI
摘要： This study developed a Gellan gum (G)-based active packaging film incorporating cinnamon essential oil (CEO)-loaded Pickering emulsions stabilized by zein nanoparticles (ZNP) to enhance pork preservation. The ZC3 emulsion exhibited optimal stability with a particle size of 408.9 nm, zeta potential of 37.06 mV, and polydispersity index (PDI) <0.4. Incorporation of Pickering emulsions into G film reduced tensile strength (TS) and water vapor permeability (WVP) while improving flexibility, with elongation at break (EAB) peaking at 21.99 % for the GZC3 film. The release profile of CEO from the GZC3 film was determined in food simulants (50 % and 95 % ethanol solutions), showing release rates of 66.82 % and 60.13 %, respectively. When applied to pork preservation at 4 degrees C, the GZC3 film maintained key parameters within acceptable limits during the 5 days storage period: pH (5.89), total volatile base nitrogen (TVB-N, 16.23 mg/100 g), and total viable count (TVC, 5.08 lg CFU/g), thereby extending the shelf life by nearly 5 days. These results demonstrate the potential of ZNP-stabilized CEO Pickering emulsion films as sustainable slow-release packaging for pork preservation, effectively balancing mechanical performance and antimicrobial efficacy.
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