Biodegradable active composite hydrogel packaging for postharvest climacteric bananas preservation

被引:11
|
作者
Gang, Fangli [1 ]
Xu, Mengjie [1 ]
Zhang, Shiyu [1 ]
Zhang, Chenyang [1 ]
He, Junjie [1 ]
Xiao, Yi [1 ]
Wang, Huixiang [1 ]
Liu, Ziyu [2 ]
Sun, Xiaodan [3 ,4 ]
Zhang, Jiwen [5 ]
机构
[1] Xinzhou Teachers Univ, Dept Biol, Xinzhou 034000, Peoples R China
[2] Beihang Univ, Beijing Adv Innovat Ctr Biomed Engn, Sch Engn Med, Beijing 100191, Peoples R China
[3] Tsinghua Univ, Sch Mat Sci & Engn, Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
[4] Tsinghua Univ, Sch Mat Sci & Engn, Key Lab Adv Mat, Minist Educ China, Beijing 100084, Peoples R China
[5] Northwest A&F Univ, Coll Chem & Pharm, Shaanxi Key Lab Nat Prod & Chem Biol, Yangling 712100, Shaanxi, Peoples R China
关键词
Hydrogel packaging; Climacteric banana; Preservation; Degradability; Nutrients;
D O I
10.1016/j.foodchem.2024.138494
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Climacteric bananas are susceptible to endogenous ethylene and temperature, resulting in dehydration, accelerated senescence and deterioration. The widely-used plastic cling films is particularly complicated due to their high consumption and non-degradability. Herein, this study proposed to fabricate a carboxymethyl cellulose/ polyvinyl alcohol/pyrazoic acid (CPP) hydrogel for postharvest banana preservation. The hydrogel demonstrated excellent potential as a packaging film, including natural degradability (complete degradation within 50 days), high tensile performance, transparent visibility and biosafety. As a validation experiment, bananas in a 30 C-degrees environment confirmed the effectiveness of CPP hydrogels in banana postharvest preservation. Compared with the blank control and CP hydrogel, CPP packaging film delayed the processes of browning, dehydration, softening, nutrients loss, ripening and senescence in bananas, thereby maintaining their commercial value. Accordingly, this study demonstrates the potential of hydrogel materials as an alternative strategy to climacteric fruit preservation and plastic film.
引用
收藏
页数:8
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