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
第一作者： Zheng, Yanli
作者： Zheng, Yanli;Ran, Yalin;Ji, Haiyu;Ma, Xiaowei;Liu, Yue;Duan, Lihua;Li, Xihong;Jia, Xiaoyu;Jia, Xiaoyu;Du, Meijun;Pan, Yanfang;Zhao, Zhiyong;Li, Ziqin
作者机构：
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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