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Article

Ozone Treatment Modulates Reactive Oxygen Species Metabolism Regulation and Enhances Storage Quality of Kiwifruit During Cold Storage

1
Tianjin Key Laboratory of Food Biotechnology, Tianjin University of Commerce, Tianjin 300134, China
2
Henan Guoran Fengqing Fruit Industry Company Limited, Nanyang 474550, China
3
Tianjin Key Laboratory of Refrigeration Technology, Tianjin University of Commerce, Tianjin 300134, China
*
Authors to whom correspondence should be addressed.
Horticulturae 2025, 11(8), 911; https://doi.org/10.3390/horticulturae11080911 (registering DOI)
Submission received: 11 July 2025 / Revised: 27 July 2025 / Accepted: 30 July 2025 / Published: 4 August 2025

Abstract

Fresh fruit are highly perishable commodities, facing significant postharvest losses primarily due to physiological deterioration and microbial spoilage. Conventional preservation methods often face limitations regarding safety, residue, and environmental impact. Because of its rapid decomposition and low-residue-impact characteristics, ozone has proven superior as an efficient and eco-friendly solution for preserving fruit quality after harvest. The maturation and aging processes of kiwifruit are closely linked to the involvement of reactive oxygen species (ROS) metabolism. This study aimed to investigate the effects of intermittent ozone treatment (21.4 mg/m3, applied for 0, 1, 3, or 5 h weekly) on ROS metabolism, the antioxidant defense system, and storage quality of kiwifruit during cold storage (0.0 ± 0.5 °C). The results showed ozone treatment slowed the decline in titratable acid (TA) content and fruit firmness, inhibited increases in total soluble solids (TSSs) and weight loss, and maintained the storage quality. Additionally, ozone treatment enhanced the activities of antioxidant-related enzymes. This includes superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), and ascorbate peroxidase (APX). Furthermore, it delayed the reduction in ascorbate (ASA), glutathione (GSH), total phenolic compounds, and flavonoid content, while also preventing the accumulation of ROS and the rise in malondialdehyde (MDA) levels. In summary, the results indicate that ozone treatment enhances the antioxidant capacity of kiwifruit by increasing the structural integrity of cell membranes, preserving the structural integrity of cell membranes, and effectively maintaining the storage quality of the fruit.
Keywords: ozone treatment; postharvest preservation; storability; kiwifruit; reactive oxygen species ozone treatment; postharvest preservation; storability; kiwifruit; reactive oxygen species

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MDPI and ACS Style

Jin, Z.; Tan, J.; Zhang, X.; Li, X.; Guan, W.; Liu, P.; Chen, A. Ozone Treatment Modulates Reactive Oxygen Species Metabolism Regulation and Enhances Storage Quality of Kiwifruit During Cold Storage. Horticulturae 2025, 11, 911. https://doi.org/10.3390/horticulturae11080911

AMA Style

Jin Z, Tan J, Zhang X, Li X, Guan W, Liu P, Chen A. Ozone Treatment Modulates Reactive Oxygen Species Metabolism Regulation and Enhances Storage Quality of Kiwifruit During Cold Storage. Horticulturae. 2025; 11(8):911. https://doi.org/10.3390/horticulturae11080911

Chicago/Turabian Style

Jin, Ziyu, Jin Tan, Xinyu Zhang, Xin Li, Wenqiang Guan, Pu Liu, and Aiqiang Chen. 2025. "Ozone Treatment Modulates Reactive Oxygen Species Metabolism Regulation and Enhances Storage Quality of Kiwifruit During Cold Storage" Horticulturae 11, no. 8: 911. https://doi.org/10.3390/horticulturae11080911

APA Style

Jin, Z., Tan, J., Zhang, X., Li, X., Guan, W., Liu, P., & Chen, A. (2025). Ozone Treatment Modulates Reactive Oxygen Species Metabolism Regulation and Enhances Storage Quality of Kiwifruit During Cold Storage. Horticulturae, 11(8), 911. https://doi.org/10.3390/horticulturae11080911

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