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Incorporating Zataria multiflora Boiss. essential oil and sodium bentonite nano-clay open a new perspective to use zein films as bioactive packaging materials.
Food Sci Technol Int. 2017 Oct; 23(7):582-596.FS

Abstract

Active zein films with different levels of Zataria multiflora Boiss. essential oil were produced successfully. To enhance properties of this biopolymer for food packaging applications, sodium bentonite clay was used at two levels (2 and 4%). The results indicated that the addition of Z. multiflora Boiss. essential oil caused a reduction in tensile strength and Young's modulus and slight increase in the percent of elongation at break of the films. Maximum solubility in water and water vapor permeability was observed by incorporation of 10% Z. multiflora Boiss. essential oil in the zein matrix. Transmission electron microscopy micrographs of zein film were verified by the exfoliation of the layers of sodium bentonite clay in the zein matrix. Stronger films with lower water vapor permeability and water solubility were evident of good distribution of sodium bentonite clay in the zein matrix. According to the results, 2% sodium bentonite clay was selected for evaluation of nano active film properties. Water vapor permeability, UV light barrier, tensile strength, and Young's modulus values of active films were improved by incorporation of 2% sodium bentonite clay. The antibacterial activity of different contents of Z. multiflora Boiss. essential oil in vapor phase demonstrated that use of Z. multiflora Boiss. essential oil in the liquid phase was more effective than in vapor phase. The antibacterial zein-based films showed that active zein film with 5 and 10% Z. multiflora Boiss. essential oil had reductions of 1.68 log and 2.99 log, respectively, against Listeria monocytogenes and 1.39 and 3.07 log against Escherichia coli. Nano active zein film containing 10% Z. multiflora Boiss. essential oil and 2% sodium bentonite clay showed better antibacterial properties against L. monocytogenes (3.23 log) and E. coli (3.17 log).

Authors+Show Affiliations

Department of Food Science and Technology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.Department of Food Science and Technology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.Department of Food Science and Technology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28549407

Citation

Kashiri, Mahboobeh, et al. "Incorporating Zataria Multiflora Boiss. Essential Oil and Sodium Bentonite Nano-clay Open a New Perspective to Use Zein Films as Bioactive Packaging Materials." Food Science and Technology International = Ciencia Y Tecnologia De Los Alimentos Internacional, vol. 23, no. 7, 2017, pp. 582-596.
Kashiri M, Maghsoudlo Y, Khomeiri M. Incorporating Zataria multiflora Boiss. essential oil and sodium bentonite nano-clay open a new perspective to use zein films as bioactive packaging materials. Food Sci Technol Int. 2017;23(7):582-596.
Kashiri, M., Maghsoudlo, Y., & Khomeiri, M. (2017). Incorporating Zataria multiflora Boiss. essential oil and sodium bentonite nano-clay open a new perspective to use zein films as bioactive packaging materials. Food Science and Technology International = Ciencia Y Tecnologia De Los Alimentos Internacional, 23(7), 582-596. https://doi.org/10.1177/1082013217708526
Kashiri M, Maghsoudlo Y, Khomeiri M. Incorporating Zataria Multiflora Boiss. Essential Oil and Sodium Bentonite Nano-clay Open a New Perspective to Use Zein Films as Bioactive Packaging Materials. Food Sci Technol Int. 2017;23(7):582-596. PubMed PMID: 28549407.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Incorporating Zataria multiflora Boiss. essential oil and sodium bentonite nano-clay open a new perspective to use zein films as bioactive packaging materials. AU - Kashiri,Mahboobeh, AU - Maghsoudlo,Yahya, AU - Khomeiri,Morteza, Y1 - 2017/05/26/ PY - 2017/5/28/pubmed PY - 2018/2/15/medline PY - 2017/5/28/entrez KW - Food packaging KW - Zataria multiflora Boiss. essential oil KW - sodium bentonite clay KW - zein film SP - 582 EP - 596 JF - Food science and technology international = Ciencia y tecnologia de los alimentos internacional JO - Food Sci Technol Int VL - 23 IS - 7 N2 - Active zein films with different levels of Zataria multiflora Boiss. essential oil were produced successfully. To enhance properties of this biopolymer for food packaging applications, sodium bentonite clay was used at two levels (2 and 4%). The results indicated that the addition of Z. multiflora Boiss. essential oil caused a reduction in tensile strength and Young's modulus and slight increase in the percent of elongation at break of the films. Maximum solubility in water and water vapor permeability was observed by incorporation of 10% Z. multiflora Boiss. essential oil in the zein matrix. Transmission electron microscopy micrographs of zein film were verified by the exfoliation of the layers of sodium bentonite clay in the zein matrix. Stronger films with lower water vapor permeability and water solubility were evident of good distribution of sodium bentonite clay in the zein matrix. According to the results, 2% sodium bentonite clay was selected for evaluation of nano active film properties. Water vapor permeability, UV light barrier, tensile strength, and Young's modulus values of active films were improved by incorporation of 2% sodium bentonite clay. The antibacterial activity of different contents of Z. multiflora Boiss. essential oil in vapor phase demonstrated that use of Z. multiflora Boiss. essential oil in the liquid phase was more effective than in vapor phase. The antibacterial zein-based films showed that active zein film with 5 and 10% Z. multiflora Boiss. essential oil had reductions of 1.68 log and 2.99 log, respectively, against Listeria monocytogenes and 1.39 and 3.07 log against Escherichia coli. Nano active zein film containing 10% Z. multiflora Boiss. essential oil and 2% sodium bentonite clay showed better antibacterial properties against L. monocytogenes (3.23 log) and E. coli (3.17 log). SN - 1532-1738 UR - https://www.unboundmedicine.com/medline/citation/28549407/Incorporating_Zataria_multiflora_Boiss__essential_oil_and_sodium_bentonite_nano_clay_open_a_new_perspective_to_use_zein_films_as_bioactive_packaging_materials_ DB - PRIME DP - Unbound Medicine ER -