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Innovative natural antimicrobial natamycin incorporated titanium dioxide (nano-TiO2)/poly (butylene adipate-co-terephthalate) (PBAT)/poly (lactic acid) (PLA) biodegradable active film (NTP@PLA) and application in grape preservation

文献类型： 外文期刊

作者： Zheng, Yanli 1 ; Jia, Xiaoyu 2 ; Zhao, Zhiyong 4 ; Ran, Yalin 1 ; Du, Meijun 3 ; Ji, Haiyu 1 ; Pan, Yanfang 3 ; Li, Ziqin 4 ; Ma, Xiaowei 1 ; Liu, Yue 1 ; Duan, Lihua 1 ; Li, Xihong 1 ;

作者机构： 1.Tianjin Univ Sci & Technol, Coll Food Sci & Engn, State Key Lab Food Nutr & Safety, Tianjin 300457, Peoples R China

2.Tianjin Acad Agr Sci, Inst Agr Prod Preservat & Proc Sci & Technol, Tianjin 300384, Peoples R China

3.Tianjin Gasin DH Preservat Technol Co Ltd, Tianjin 300403, Peoples R China

4.Xinjiang Acad Agr & Reclamat Sci, Inst Agroprod Proc Sci & Technol, Shihezi 832000, Peoples R China

关键词： Polylactic acid; Poly (butylene adipate-co-terephthalate); Natamycin; Biodegradable packaging film; Grape preservation

期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）

ISSN： 0308-8146

年卷期： 2023 年 400 卷

页码：

收录情况： SCI

摘要： Poly (butylene adipate-co-terephthalate) (PBAT)/polylactic acid (PLA) blended with compatibilizers (polycaprolactone, PCL; poly (ethylene glycol), PEG; titanium dioxide, nano-TiO2) (TP@PLA composites) were developed by melt processing. Natamycin incorporated into TP@PLA blend composites formed NTP@PLA films, which exhibited high tensile strength (24.1-43.5 MPa) and elongation at break (85.8-258.2 %), and exhibited good oxygen permeability, water vapor permeability, surface hydrophobicity and biodegradability. The in vitro results revealed that inhibition of Penicillium expansum cell growth of the NTP@PLA films with addition of 1.0 wt% natamycin reached 95.72 %. The NTP@PLA film with natamycin effectively reduced incidence of decay (1.52 %) on grapes, maintained their quality, and inhibited the growth of pathogenic fungi to up to 0.42 log cfu.g(-1). This study generates new insights into the preservation properties of antimicrobial NTP@PLA film, which endow it with great application potential as a novel and eco-friendly packaging material for the food industry.

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