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KMID : 1024420150190010028
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Food Engineering Progress
2015 Volume.19 No. 1 p.28 ~ p.32
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Development of Microencapsulated Cinnamon Oil-coated Polypropylene Film Using a Pilot-plant Scale Film Coating System
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Oh Yoon-Ah
Song Ah-Young
Min Sea-Cheol
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Abstract
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A microencapsulated cinnamon oil (CO)-coated film was developed using a pilot-plant scale film coating system. CO microencapsulated with polyvinyl alcohol was incorporated with a printing ink and the ink mixture was applied to the surface of a polypropylene (PP) film as an ink coating using a gravure printing press at a speed of 20-200 m/min. The tensile strength, percentage elongation at break, elastic modulus, and water vapor permeability of the PP films with and without coating with the microcapsules were not significantly different (p > 0.05), which indicates that the coating did not alter those properties of the films. Microencapsulation effectively prevented the volatilization of CO in the films. The microencapsulated system may be extended to other food-packaging films for which the same ink-printing platform is used. The results from this study imply that the oil-microencapsulated films could be potentially produced by a modern film manufacturing system.
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KEYWORD
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cinnamon oil, microencapsulation, pilot-plant scale coating
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