Physical Properties, Antioxidant and Antimicrobial Activity of Chitosan Films Containing Carvacrol and Pomegranate Peel Extract

Chitosan-based active films were developed by incorporation of carvacrol (10 g/L), pomegranate peel extract (PPE, 10 g/L) and carvacrol + PPE (10 g/L of each) and their physical, antioxidant and antimicrobial properties were investigated. Incorporation of carvacrol and carvacrol + PPE into the films...

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Published inMolecules (Basel, Switzerland) Vol. 20; no. 6; pp. 11034 - 11045
Main Authors Yuan, Gaofeng, Lv, Hua, Yang, Bingjie, Chen, Xiaoe, Sun, Haiyan
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 15.06.2015
MDPI
Subjects
Anti-Infective Agents - chemistry
Anti-Infective Agents - pharmacology
antibacterial activity
Antimicrobial agents
antioxidant activity
Antioxidants
Antioxidants - chemistry
Antioxidants - pharmacology
Biocompatibility
Biopolymers
carvacrol
Chitosan - chemistry
chitosan film
Escherichia coli
Microbial Sensitivity Tests
Monoterpenes - chemistry
Permeability
Phenols
Physical properties
Plant Extracts - chemistry
Polyphenols
pomegranate peel extract
Punicaceae - chemistry
Staphylococcus aureus
Tensile Strength
United States > US
China
antibacterial activity
chitosan film
pomegranate peel extract
carvacrol
antioxidant activity
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Summary:Chitosan-based active films were developed by incorporation of carvacrol (10 g/L), pomegranate peel extract (PPE, 10 g/L) and carvacrol + PPE (10 g/L of each) and their physical, antioxidant and antimicrobial properties were investigated. Incorporation of carvacrol and carvacrol + PPE into the films significantly decreased the water vapor permeability, tensile strength and percentage of elongation at break. Incorporation of carvacrol, PPE and carvacrol + PPE into the films decreased the transparency, but significantly increased the total phenol content and antioxidant activity. All the films, with the exception of PPE-incorporated film, exhibited antibacterial activity against Escherichia coli and Staphylococcus aureus. In addition, the antibacterial activity against Staphylococcus aureus of the film incorporated with carvacrol + PPE was moderately higher than that incorporated with carvacrol or PPE alone, suggesting a synergistic action between carvacrol and PPE.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1420-3049
1420-3049
DOI:10.3390/molecules200611034