Preservation of Honey-based Solutions by Cold Atmospheric Pressure Plasma: Performance, Determination of Physicochemical, Nutritional and Microbiological Properties, and Future Perspectives

Abstract

The pm-rf-APGD was applied for treatment of honey-based solutions. pH dropped 1.5-fold, while conductivity increased 15-fold on average post-treatment. The content of polyphenols was elevated 6–14 times after pm-rf-APGD exposure. The excited states of NO, N2, N2+, NH, OH, H and O were generated in gas phase during pm-rf-APGD operation. Plasma-treated samples had lower microbial load than untreated controls over 15 days.