Effect of the Addition of Essential Oils and Functional Extracts of Clove on Physicochemical Properties of Chitosan-Based Films

Mechanical and barrier properties of chitosan films prepared with essential oils of clove and functional extract were studied. The films made with functional extracts (esters E6 and E7) presented the significant increment of extensibility compared with the untreated chitosan films. In the case of pu...

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Bibliographic Details
Published inInternational Journal of Polymer Science Vol. 2015; pp. 100 - 105-111
Main Authors Paola Reyes-Chaparro, Nestor Gutierrez-Mendez, Erika Salas-Muñoz, Juan Guillermo Ayala-Soto, David Chavez-Flores, León Hernández-Ochoa
Format Journal Article
LanguageEnglish
Published New York Hindawi Limiteds 01.01.2015
Hindawi Publishing Corporation
Hindawi Limited
Wiley
Subjects
Affinity
Alternatives
Antiinfectives and antibacterials
Antimicrobial agents
Aqueous solutions
Atomic force microscopy
Barriers
Chitosan
Comparative analysis
Essential oils
Esters
Eugenia
Fatty acids
Hydrogen bonds
Incorporation
Mechanical properties
Oils & fats
Packaging
Permeability
Solvents
Vapour
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Summary:Mechanical and barrier properties of chitosan films prepared with essential oils of clove and functional extract were studied. The films made with functional extracts (esters E6 and E7) presented the significant increment of extensibility compared with the untreated chitosan films. In the case of punction test, the films made with the esters E6 and E7 resisted more the applied strength before tearing up compared with the chitosan control film (without any treatment). Thermogravimetric analysis values were determined for the chitosan control film and chitosan film treated with clove essential oil obtaining 112.17°C and 176.73°C, respectively. Atomic force microscopy (AFM) was used to determine their morphology by analyzing their surfaces and phase arrangement; AFM was also used to observe the porosity in chitosan-based antimicrobial films and the chitosan films incorporating functional extracts. The water vapour permeability (WVP) data showed that incorporating the functional extract to the formulation of films has a positive effect on water vapour barrier properties. In general, the incorporation of essential oils and functional extract of clove at 20% in chitosan films caused microstructural changes that were dependent on the different affinity of components.
Bibliography:ObjectType-Article-1
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ISSN:1687-9422
1687-9430
DOI:10.1155/2015/714254