Fabrication of electrospun polylactic acid nanofilm incorporating cinnamon essential oil/β-cyclodextrin inclusion complex for antimicrobial packaging

被引：243
|
作者：
Wen, Peng [1 ]
Zhu, Ding-He [1 ]
Feng, Kun [2 ]
Liu, Fang-Jun [2 ]
Lou, Wen-Yong [2 ]
Li, Ning [2 ]
Zong, Min-Hua [1 ,2 ]
Wu, Hong [1 ,2 ]
机构：
[1] S China Univ Technol, Coll Light Ind & Food Sci, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Guangdong, Peoples R China
[2] S China Univ Technol, Coll Light Ind & Food Sci, Lab Appl Biocatalysis, Guangzhou 510640, Guangdong, Peoples R China
来源：
FOOD CHEMISTRY | 2016年 / 196卷
关键词：
Electrospinning; Polylactic acid; CEO/beta-CD inclusion complex; Nanofilm; Antimicrobial activity; POLY LACTIC-ACID; BETA-CYCLODEXTRIN; ESSENTIAL OILS; PLA; ANTIOXIDANT; FIBERS; FILMS; POLYPROPYLENE; COMPOSITE; MEMBRANES;
D O I：
10.1016/j.foodchem.2015.10.043
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A novel antimicrobial packaging material was obtained by incorporating cinnamon essential oil/beta-cyclodextrin inclusion complex (CEO/beta-CD-IC) into polylacticacid (PLA) nanofibers via electrospinning technique. The CEO/beta-CD-IC was prepared by the co-precipitation method and SEM and FT-IR spectroscopy analysis indicated the successful formation of CEO/beta-CD-IC, which improved the thermal stability of CEO. The CEO/beta-CD-IC was then incorporated into PLA nanofibers by electrospinning and the resulting PLA/CEO/beta-CD nanofilm showed better antimicrobial activity compared to FLA/CEO nanofilm. The minimum inhibitory concentration (MIC) of PLA/CEO/beta-CD nanofilm against Escherichia coli and Staphylococcus aureus was approximately 1 mg/ml (corresponding CEO concentration 11.35 mu g/ml) and minimum bactericidal concentration (MBC) was approximately 7 mg/ml (corresponding CEO concentration 79.45 mu g/ml). Furthermore, compared with the casting method, the mild electrospinning process was more favorable for maintaining greater CEO in the obtained film. The FLA/CEO/beta-CD nanofilm can effectively prolong the shelf life of pork, suggesting it has potential application in active food packaging. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：996 / 1004
页数：9
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