Essential oil-loaded antimicrobial and antioxidant zein/poly(lactic acid) film as active food packaging

被引：29
|
作者：
Ge, Xiaohan [1 ,2 ]
Huang, Xueying [1 ,2 ]
Zhou, Liping [1 ,2 ]
Wang, Yi [1 ,2 ,3 ]
机构：
[1] Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310058, Peoples R China
[2] Zhejiang Univ, Ningbo Res Inst, Ningbo 315100, Peoples R China
[3] Zhejiang Univ, Coll Biosyst Engn & Food Sci, Yuhangtang Rd 388, Hangzhou, Peoples R China
来源：
FOOD PACKAGING AND SHELF LIFE | 2022年 / 34卷
关键词：
Zein; Poly (lactic acid); Poly (ethylene glycol); Antimicrobial; Antioxidant; STARCH FILMS; ZEIN; PLASTICIZATION; FABRICATION; TENSILE; PLA;
D O I：
10.1016/j.fpsl.2022.100977
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Food spoilage and poisoning can be caused by microbes in food. Active food packaging with the addition of antimicrobial compounds is a novel method to prolong the shelf life of food and improve product quality. PLA, a very popular synthetic biodegradable material, was mixed with zein, a widely studied food packaging material, and the plasticizer PEG to make a composite film ZLP. With the addition of PLA, the brittleness of zein film was reduced and the water barrier properties of zein and PEG composite film was enhanced. The mass ratio of zein, PLA, and PEG for the optimal mechanical and water barrier properties of the film was 5:5:2. High antioxidant effects were obtained in the eugenol-and carvacrol-loaded ZLP films, while good antibacterial effects against E. coli and S. aureus were found in the carvacrol-and cinnamaldehyde-loaded ZLP films.
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页数：9
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