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Review
. 2023 Feb;86(2):100025.
doi: 10.1016/j.jfp.2022.100025. Epub 2022 Dec 9.

A Review of Regulatory Standards and Advances in Essential Oils as Antimicrobials in Foods

Armitra Jackson-Davis  1 , Shecoya White  2 , Lamin S Kassama  3 , Shannon Coleman  4 , Angela Shaw  5 , Aubrey Mendonca  4 , Bria Cooper  3 , Emalie Thomas-Popo  4 , Kenisha Gordon  2 , Laricca London  3
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Free article
Review

A Review of Regulatory Standards and Advances in Essential Oils as Antimicrobials in Foods

Armitra Jackson-Davis et al. J Food Prot. 2023 Feb.
Free article

Abstract

As essential oils (EOs) possess GRAS status, there is a strong interest in their application to food preservation. Trends in the food industry suggest consumers are drawn to environmentally friendly alternatives and less synthetic chemical preservatives. Although the use of EOs has increased over the years, adverse effects have limited their use. This review aims to address the regulatory standards for EO usage in food, techniques for delivery of EOs, essential oils commonly used to control pathogens and molds, and advances with new active compounds that overcome sensory effects for meat products, fresh fruits and vegetables, fruit and vegetable juices, seafood, dairy products, and other products. This review will show adverse sensory effects can be overcome in various products by the use of edible coatings containing encapsulated EOs to facilitate the controlled release of EOs. Depending on the method of cooking, the food product has been shown to mask flavors associated with EOs. In addition, using active packaging materials can decrease the diffusion rate of the EOs, thus controlling undesirable flavor characteristics while still preserving or prolonging the shelf life of food. The use of encapsulation in packaging film can control the release of volatile or active ingredients. Further, use of EOs in the vapor phase allows for contact indirectly, and use of nanoemulsion, coating, and film wrap allows for the controlled release of the EOs. Research has also shown that combining EOs can prevent adverse sensory effects. Essential oils continue to serve as a very beneficial way of controlling undesirable microorganisms in food systems.

Keywords: Active packaging; Encapsulation; GRAS; Regulation; Sensory.

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Conflict of interest statement

Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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