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Article

Encapsulation of Cinnamon Essential Oil for Active Food Packaging Film with Synergistic Antimicrobial Activity

1
Department of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
2
Guelph Food Research Centre, Agriculture and Agri-Food Canada, Guelph, ON N1G 5C9, Canada
3
Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
*
Authors to whom correspondence should be addressed.
Nanomaterials 2018, 8(8), 598; https://doi.org/10.3390/nano8080598
Received: 29 June 2018 / Revised: 2 August 2018 / Accepted: 3 August 2018 / Published: 6 August 2018
(This article belongs to the Special Issue Bionanocomposite Packaging: Towards the Improvement of Food Safety)
Porous adsorption, a less powerful adsorptive force than chemical bonds, is based on the physical adsorption of small molecules onto a solid surface that is capable of adsorbing gas or liquid molecules. Antimicrobial permutite composite (containing Ag+, Zn2+ and Ag+/Zn2+), starting from Linde Type A-permutite (LTA), was obtained in this research. The permutite samples were characterized by field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), colorimeter and nitrogen adsorption technique. Cinnamon essential oil (CEO) was encapsulated into Ag+/Zn2+-permutite. The FT-IR and differential scanning calorimetry (DSC) confirmed that no chemical bond existed between CEO and Ag+/Zn2+-permutite. The loading capacity of Ag+/Zn2+-permutite/CEO was 313.07 µL/g, and it had a sustained release effect. The Ag+/Zn2+-permutite/CEO showed stronger efficacy against Aspergillus niger and Penicillium sp. than Ag+/Zn2+-permutite. Ethyl cellulose pads modified by composite antimicrobial particles were applied in the preservation of Chinese bayberry. Compared to the control group, treatment with the Ag+/Zn2+-permutite/CEO antimicrobial pads resulted in a significantly lower decay incidence. In addition, the amount of migrated silver, zinc and aluminum from LTA was below the legal limit. These results confirmed that the ethyl cellulose pads modified by the Ag+/Zn2+-permutite/CEO provided an active packaging to control decay of fresh Chinese bayberry. View Full-Text
Keywords: antimicrobial; nano-porous materials; cinnamon essential oil; bayberry fruit antimicrobial; nano-porous materials; cinnamon essential oil; bayberry fruit
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MDPI and ACS Style

Niu, B.; Yan, Z.; Shao, P.; Kang, J.; Chen, H. Encapsulation of Cinnamon Essential Oil for Active Food Packaging Film with Synergistic Antimicrobial Activity. Nanomaterials 2018, 8, 598. https://doi.org/10.3390/nano8080598

AMA Style

Niu B, Yan Z, Shao P, Kang J, Chen H. Encapsulation of Cinnamon Essential Oil for Active Food Packaging Film with Synergistic Antimicrobial Activity. Nanomaterials. 2018; 8(8):598. https://doi.org/10.3390/nano8080598

Chicago/Turabian Style

Niu, Ben, Zhipeng Yan, Ping Shao, Ji Kang, and Hangjun Chen. 2018. "Encapsulation of Cinnamon Essential Oil for Active Food Packaging Film with Synergistic Antimicrobial Activity" Nanomaterials 8, no. 8: 598. https://doi.org/10.3390/nano8080598

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