A new nanohybrid particle reinforced multifunctional active packaging film for efficiently preserving postharvest fruit
文献类型： 外文期刊
作者： Xu, Haishan 1 ; Quan, Qi 1 ; Chang, Xia 1 ; Ge, Shuai 1 ; Xu, Saiqing 1 ; Wang, Rongrong 3 ; Xu, Yanqun 4 ; Luo, Zisheng 4 ; Shan, Yang 1 ; Ding, Shenghua 1 ;
作者机构： 1.Hunan Univ, Coll Biol, Longping Branch, Changsha 410125, Peoples R China
2.Hunan Acad Agr Sci, Hunan Agr Prod Proc Inst, Hunan Prov Key Lab Fruits & Vegetables Storage Pro, Changsha 410125, Peoples R China
3.Hunan Agr Univ, Coll Food Sci & Technol, Changsha 410128, Peoples R China
4.Zhejiang Univ, Coll Biosyst Engn & Food Sci, Key Lab Agroprod Postharvest Handling Minist Agr &, Hangzhou, Peoples R China
关键词： active packaging; Nanohybrid particle; Gelatin; Multifunctional; Antibacterial ability; Fruit preservation
期刊名称：FOOD HYDROCOLLOIDS （ 影响因子：10.7； 五年影响因子：10.9 ）
ISSN： 0268-005X
年卷期： 2023 年 144 卷
页码：
收录情况： SCI
摘要： This study aimed to develop a multifunctional active packaging film for fruit preservation. In detail, a series of gelatin (Gel) composite films were prepared by employing chitosan-ferulic acid-titanium dioxide nanohybrid particles (CFT NPs) as filler into Gel film and then their structural, physical, and functional properties were characterized to determine a nanocomposite film with the optimal performances. The results showed that syn-thesized CFT NPs posed exceptional performances (UV absorption, antioxidant activity, antibacterial ability, etc). After incorporating into Gel film, CFT-Gel films possessed denser network structure owing to the hydrogen bond connection between Gel and CFT NPs. The addition of CFT NPs significantly (P < 0.05) enhanced mechanical and barrier properties for water vapor, oxygen, and carbon dioxide of nanocomposite films, especially for CFT-Gel film with 0.40 mg/mL of CFT NPs (CFT0.40-Gel). CFT0.40-Gel film also showed enhanced UV shielding (-100% at 200-400 nm), antioxidant ability (2-fold-3-fold enhancement), and high relative bacteriostatic rate (>95% against Escherichia coli and Staphylococcus aureus under ultraviolet catalysis due to the generation of reactive oxygen species). Moreover, hemolysis assay proved the good bio-safety of CFT-Gel films. Further, CFT0.40-Gel film was successfully applied in the preservation of non-climacteric fruit (strawberries) and climacteric fruit (bananas), as the evidence of its good preservation ability. Therefore, the multifunctional CFT0.40-Gel film possessed great application prospect in fruit preservation. Meanwhile, this work provided a feasible strategy for designing a multifunctional active food packaging.
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