期刊
CARBOHYDRATE POLYMERS
卷 292, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2022.119682
关键词
Sodium alginate; IRMOF-3; Carvacrol; Antioxidant; Antibacterial; Active packaging
资金
- National Key Research & Development Program of China [2018YFC1603200, 2018YFC1603202]
- Taishan Industry Leading Personnel Engineering
This study compared the effects of different concentrations of amine-functionalized isoreticular metal-organic framework-3 loaded with carvacrol on sodium alginate composite films. The results showed that the addition of this material improved the thermal stability, light barrier property, tensile strength, water vapor barrier, and hydrophobicity of the films. Furthermore, the films exhibited sustained antioxidant and antibacterial activities, and showed potential for application in food packaging.
The purpose of this study was to compare the effects of different concentrations of the amine-functionalized isoreticular metal-organic framework-3 loaded with carvacrol (IRMOF-3/CA) on the properties of sodium alginate (SA) composite films, thus determining the optimal addition amount and further preparing bioactive packaging film with antibacterial and antioxidant activities. The morphology, structure, physical properties, antioxidant and antibacterial activities of the films were characterized and analyzed. The results showed that the thermal stability and light barrier property of the films were improved by the addition of IRMOF-3/CA. When the additional concentration was 0.4 wt%, the tensile, water vapor barrier and hydrophobic properties of the films were increased by 30.13%, 9.06% and 46.43% respectively compared with those of pure SA film. Moreover, the film added with IRMOF-3/CA had sustained antioxidant and antibacterial activities, and had an apparent fresh keeping effect on pork, suggesting its application potential in food packaging.
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