Abstract
The growth of global food demand combined with the increased appeal to access different foods from every corner of the globe is forcing the food industry to look for alternative technologies to increase the shelf life. Essential oils (EOs) as naturally occurring functional ingredients have shown great prospects in active food packaging. EOs can inhibit the growth of superficial food pathogens, modify nutritious values without affecting the sensory qualities of food, and prolong the shelf life when used in food packaging as an active ingredient. Since 2016, various reports have demonstrated that combinations of electrospun fibers and encapsulated EOs could offer promising results when used as food packaging. Such electrospun platforms have encapsulated either pure EOs or their complexation with other antibacterial agents to prolong the shelf life of food products through sustained release of active ingredients. This paper presents a comprehensive review of the essential oil-loaded electrospun fibers that have been applied as active food packaging material.
Highlights
For many decades, synthetic polymers have dominated food packaging industry due to their favourable properties such as softness, lightness, and transparency
Once clove oilloaded chitosan nanoparticles (CO@CNPs) were used at 30% (w/v), E. coli O157:H7 population reduced to approximately 99.98% and high antibacterial activity was achieved after 8 hours
(2) e flavour values significantly enhanced in plasma-treated Tea Tree Oil (TTO)/ β-CD inclusion complexes (CD-IC) polyethylene oxide (PEO) nanofibers compared with the control groups (3) TTO/β-CD-IC at concentrations of 30% and 40% exhibited great antibacterial action leading to a 99.94% and 99.96% decrease in population after 24 hours
Summary
Synthetic polymers have dominated food packaging industry due to their favourable properties such as softness, lightness, and transparency. EOs hold great potential for active food packaging applications as they can be directly added to the food products or incorporated into food packaging for gradual release during transportation and storage to improve shelf life and preservation [11]. Ese recent advances in applications of loaded electrospun membranes in active food packaging call for a review on this topic. This review focuses on EOs, as effective protective antimicrobials, and their incorporation in active food packaging through electrospinning. E main objective of this review is to provide a broad insight into the potential applications of electrospun nanofibers encapsulating EOs as active food packaging materials. E packaging materials produced in these systems can contain active ingredients designed for sustained release during storage or transportation to delay food deterioration.
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