ZIF-8负载奇亚籽油的pH响应薄膜制备及其在鱼肉保鲜中的应用

doi:10.12441/spyswjs.20250731003

首页 > 过刊浏览>2026年第45卷第4期 >102-112. DOI:10.12441/spyswjs.20250731003

ZIF-8负载奇亚籽油的pH响应薄膜制备及其在鱼肉保鲜中的应用
DOI:
                        10.12441/spyswjs.20250731003
                    
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作者单位:1浙江工商大学食品与生物工程学院，浙江 杭州 310018;2杭州市临安区畜牧农机发展中心，浙江 杭州 311399
作者简介:
通讯作者:曲道峰（1983—），男，博士，教授，博士研究生导师，主要从事动物源性食品质量与安全研究。E-mail：daofeng@mail.zigsu.edu.cn
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Preparation of a pH-Responsive Film Loaded with Chia Seed Oil on ZIF-8 and Its Application in Fish Meat Preservation

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1School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China;2Lin’an District Animal Husbandry and Agricultural Machinery Development Center, Hangzhou 311399, China

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【目的】为解决奇亚籽油（CSO）在保鲜过程中易发生氧化降解的问题，满足其负载缓释需求，作者利用金属有机框架沸石咪唑酯骨架-8（ZIF-8）的高比表面积与多孔性，构建了负载CSO的ZIF-8纳米颗粒（CSO@ZIF-8），并开发了一种同时具有延长鱼肉货架期和实时监测新鲜度功能的智能活性薄膜。【方法】以壳聚糖为成膜基质，蓝莓花青素（blueberry anthocyanins，BA）为pH显色剂，CSO@ZIF-8为功能活性成分，采用流延法制备CS/BA/CSO@ZIF-8薄膜。【结果】通过扫描电子显微镜（SEM）、傅里叶变换红外光谱（FT-IR）、X射线衍射（XRD）分析证明ZIF-8成功负载CSO。CSO@ZIF-8和BA将薄膜抗氧化率提高至86.46%。与纯壳聚糖薄膜相比，CS/BA/CSO@ZIF-8薄膜具有更优异的力学性能。此外，CS/BA/CSO@ZIF-8薄膜具有良好的pH响应性，随着pH的升高，呈现出深红→蓝紫→黄绿色的颜色变化。将CS/BA/CSO@ZIF-8薄膜应用于鱼肉新鲜度检测，通过感官分析、pH、挥发性盐基氮（total volatile basic nitrogen，TVB-N）、菌落总数（TVC）测定，发现该薄膜可响应鱼肉腐败导致的pH下降，触发活性成分释放，减缓鱼肉变质速度，将货架期延长至6 d。【结论】CS/BA/CSO@ZIF-8薄膜在监测水产品新鲜度方面具有良好的应用前景。

Abstract:

[Objective] To address the issue of oxidation and degradation of chia seed oil (CSO) during its preservation and to meet the demand for its sustained release, the author utilized the high specific surface area and porosity of the metal-organic framework ZIF-8 to construct CSO-loaded ZIF-8 nanoparticles (CSO@ZIF-8) and developed an intelligent active film with the dual functions of extending the shelf life of fish meat and real-time monitoring of freshness. [Method] Chitosan (CS) was used as the film-forming matrix, blueberry anthocyanin (BA) as the pH indicator, and CSO@ZIF-8 as the functional active component. The film (CS/BA/CSO@ZIF-8) was prepared by the casting method. [Result] Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), and X-ray diffraction (XRD) analysis confirmed the successful loading of CSO onto ZIF-8. CSO@ZIF-8 and BA increased the antioxidant rate of the film to 86.46%. Compared with pure CS film, the CS/BA/CSO@ZIF-8 film exhibited superior mechanical properties. Additionally, the CS/BA/CSO@ZIF-8 film demonstrated good pH responsiveness, showing a color change from deep red to blue-purple to yellow-green as pH increased. It was then applied to the freshness detection of fish meat. The sensory analysis and measurements of pH, volatile basic nitrogen, and total colony count showed that the film could respond to the pH decrease caused by fish meat spoilage and trigger the release of active components to slow down the deterioration of fish meat, extending the shelf life to 6 d.Conclusion] The CS/BA/CSO@ZIF-8 film has a promising application prospect in monitoring the freshness of aquatic products.

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周洁,金江烽,李科昱,曲芸萱,储珊珊,陈燕,徐卓群,韩剑众,曲道峰. ZIF-8负载奇亚籽油的pH响应薄膜制备及其在鱼肉保鲜中的应用[J].食品与生物技术学报,2026,45(4):102-112.

ZHOU Jie, JIN Jiangfeng, LI Keyu, QU Yunxuan, CHU Shanshan, CHEN Yan, XU Zhuoqun, HAN Jianzhong, QU Daofeng. Preparation of a pH-Responsive Film Loaded with Chia Seed Oil on ZIF-8 and Its Application in Fish Meat Preservation[J]. Journal of Food Science and Biotechnology,2026,45(4):102-112.

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收稿日期:2025-07-31
最后修改日期:2025-09-22
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在线发布日期: 2026-08-08
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