Prunes are highly regarded as a functional fruit owing to their abundance of vitamin and dietary fiber. Cold plasma (CP) treatment has been demonstrated to enhance the activity of both enzymatic and non-enzymatic antioxidant substances. We explored the effects of CP treatment (0, 6, 9, 12 min) on the preservation of Prunes and analyzed the preservation mechanism from the perspective of antioxidant metabolism. Prune colonies gradually decreased with the prolongation of cold plasma treatment time. Comparatively, 9 min CP pretreatment is the best option for prune quality. Prune fruits were treated with CP for nine minutes (CP-9) on day 8 had a glutathione (GSH) content 66.2 % higher than the control. Additionally, the CP-9 treatment demonstrated a 65.7 % DPPH radical scavenging rate, surpassing the control group by 14.4 %. CP treatment is a promising application technique that can improve the standards and durability of fruits during the storage, transport, and processing phases, as indicated by the results of these findings.
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Prunes are highly regarded as a functional fruit owing to their abundance of vitamin and dietary fiber. Cold plasma (CP) treatment has been demonstrated to enhance the activity of both enzymatic and non-enzymatic antioxidant substances. We explored the effects of CP treatment (0, 6, 9, 12 min) on the preservation of Prunes and analyzed the preservation mechanism from the perspective of antioxidant metabolism.
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