Preparation and characterization of polyvinyl alcohol/pullulan/ZnO-Nps composite film and its effect on the postharvest quality of Allium mongolicum Regel

被引：3
作者：
Zhang, Xinhua [1 ]
Sun, Haowen [1 ]
Song, Shengzhao [1 ]
Li, Yingying [1 ]
Zhang, Xiuling [1 ]
Zhang, Wentao [1 ]
机构：
[1] Northeast Agr Univ, Coll Food Sci, Harbin 150030, Heilongjiang, Peoples R China
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2024年 / 279卷
关键词：
Allium mongolicum Regel; Polyvinyl alcohol; Pullulan; ZnO nanoparticles; Postharvest preservation; ANTIMICROBIAL ACTIVITY; SHELF-LIFE; NANOCOMPOSITE; PULLULAN; GELATIN; NANOPARTICLES; SENESCENCE; COATINGS; PATHWAY; FRUITS;
D O I：
10.1016/j.ijbiomac.2024.135380
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Allium mongolicum Regel is prone to rapid senescence and quality deterioration during postharvest storage. Herein, polyvinyl alcohol/pullulan/ZnO nanoparticles (PVA/PUL/ZnO-Nps) composite films were prepared via solution casting and studied to analyze the effects of ZnO-Nps on the PVA/PUL film matrix. Results revealed that the incorporation of suitable ZnO-Nps effectively reduced the light transmittance, improved water contact angle, water vapor permeability, and mechanical properties of the composite films, as well as enhanced their antimicrobial activity. The composite films were used for the postharvest preservation of A. mongolicum Regel. Results revealed that the PVA/PUL/ZnO-Nps film effectively reduced malondialdehyde accumulation content, superoxide radical generation rate, hydrogen peroxide content, improve the activity of related enzymes, and extend the storage time compared with that of polyethylene films. Therefore, the PVA/PUL/ZnO-Nps film can be used as a novel packaging material for the postharvest preservation of A. mongolicum Regel.
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页数：12
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