Antimicrobial activity of polysaccharide films containing essential oils

被引：116

作者：

Sanchez-Gonzalez, Laura ^{[1
]}

Chafer, Maite ^{[1
]}

Hernandez, Manuel ^{[2
]}

Chiralt, Amparo ^{[1
]}

Gonzalez-Martinez, Chelo ^{[1
]}

机构：

[1] Univ Politecn Valencia, Dept Tecnol Alimentos, Inst Univ Ingn Alimentos Desarrollo, Valencia 46022, Spain

[2] Univ Politecn Valencia, Dept Biotecnol, Area Microbiol, Valencia 46022, Spain

来源：

FOOD CONTROL | 2011年 / 22卷 / 08期

关键词：

Chitosan; Hydroxypropylmethylcellulose; Listeria monocytogenes; Escherichia coli; Staphylococcus aureus; ANTIBACTERIAL PROPERTIES; STAPHYLOCOCCUS-AUREUS; CHITOSAN FILMS; LISTERIA-MONOCYTOGENES; BARRIER PROPERTIES; ROAST BEEF; INHIBITION; BACTERIA; FOODS;

D O I：

10.1016/j.foodcont.2011.02.004

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Antimicrobial films were prepared by incorporating different concentrations of bergamot (BO), lemon (LO) and tea tree (TTO) essential oils (EO), into chitosan (CH) and hydroxypropylmethylcellulose (HPMC) films. Their antibacterial effectiveness against Listeria monocytogenes, Escherichia coli and Staphylococcus aureus was studied at 10 degrees C during a storage period of 12 days. HPMC-EO and CH-EO composite films present a significant antimicrobial activity against the three pathogens considered. The nature and amount of the essential oils (EO), the structure of the film and the possible interactions which exist between the polymers and active constituents of EO affected the antimicrobial activity of the films. In all film matrices, TTO exhibited the highest antimicrobial activity. A complete inhibition of microbial growth was observed for CH or HPMC-TTO films for E. coli, HPMC-TTO for L monocytogenes and HPMC-BO for S. aureus. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1302 / 1310

页数：9

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