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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:
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.
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页码:996 / 1004
页数:9
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