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Assessing the Biological Safety of Atmospheric Cold Plasma Treated Wheat Using Cell and Insect Models
Date Issued
2020-07-08
Date Available
2021-11-10T11:02:20Z
Abstract
Atmospheric cold plasma (ACP) is under investigation for an extensive range of biocontrol applications in food biosystems. However, the development of a novel intervention technology requires a thorough evaluation of the potential for negative effects and the implications for the human and animal food chains' safety. The evaluations were performed using a contained, high-voltage, dielectric barrier discharge plasma system. The cytotoxicity of two types of food models-a liquid model (wheat model medium (WMM)) vs. a solid model (wheat grain extract (WGE)) was compared in vitro using the mammalian cell line CHO-K1. The residual toxicity of ACP treatment of grains for food purposes was assessed using the invertebrate model Tribolium castaneum, by feeding the beetles with flour produced from ACP-treated wheat grains. The cytotoxic effects and changes in the chemistry of the ACP-treated samples were more pronounced in samples treated in a liquid form as opposed to actual wheat grains. The feeding trial using T. castaneum demonstrated no negative impacts on the survivability or weight profiles of insects. Investigations into the interactions of plasma-generated species with secondary metabolites in the food matrices are necessary to ensure the safety of plasma for food applications.
Sponsorship
Science Foundation Ireland
Type of Material
Journal Article
Publisher
MDPI
Journal
Foods
Volume
9
Issue
7
Copyright (Published Version)
2020 the Authors
Language
English
Status of Item
Peer reviewed
ISSN
2304-8158
This item is made available under a Creative Commons License
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Assessing the Biological Safety of Atmospheric Cold Plasma Treated Wheat Using Cell and Insect Models.pdf
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5.25 MB
Format
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10
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