Cold plasma as a pre-treatment for processing improvement in food: A review
[Display omitted] •Cold plasma is safe, eco-friendly, and stable technology for food processing.•The effect of cold plasma as a food pretreatment was reviewed.•Cold Plasma improves drying, cooking, bioactive extraction, meat curing and oil hydrogenation.•Effects of different process variants are sca...
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Veröffentlicht in: | Food research international 2023-05, Vol.167, p.112663-112663, Article 112663 |
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Sprache: | eng |
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•Cold plasma is safe, eco-friendly, and stable technology for food processing.•The effect of cold plasma as a food pretreatment was reviewed.•Cold Plasma improves drying, cooking, bioactive extraction, meat curing and oil hydrogenation.•Effects of different process variants are scarce and should be better understood by food scientists.
Thermal processes can be very damaging to the nutritional and sensory quality of foods. Non-thermal technologies have been applied to reduce the impact of heat on food, reducing processing time and increasing its efficiency. Among many non-thermal technologies, cold plasma is an emerging technology with several potential applications in food processing. This technique can be used to preserve and sanitize food products, and act as a pre-treatment for drying, extraction, cooking, curing, and hydrogenation of foods. Furthermore, the reacting plasma species formed during the plasma application can change positively the sensory and nutritional aspects of foods. The aim of this review is to analyze the main findings on the application of cold plasma as a pre-treatment technology to improve food processing. In its current maturity stage, the cold plasma technology is suitable for reducing drying time, increasing extraction efficiency, as well as curing meats. This technology can convert unsaturated into saturated fats, without forming trans isomers, which can be an alternative to healthier foods. Although many advantages come from cold plasma applications, this technology still has several challenges, such as the scaling up, especially in increasing productivity and treating foods with large formats. Optimization and control of the effects of plasma on nutritional and sensory quality are still under investigation. Further improvement of the technology will come with a higher knowledge of the effects of plasma on the different chemical groups present in foods, and with the development of bigger or more powerful plasma systems. |
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ISSN: | 0963-9969 1873-7145 |
DOI: | 10.1016/j.foodres.2023.112663 |