Hot water pre-treatment alleviates chilling injury in sweet potato: Synergistic regulatory effects on antioxidant and energy metabolism

IF 6.4 1区农林科学 Q1 AGRONOMY

Postharvest Biology and Technology Pub Date : 2025-03-13 DOI:10.1016/j.postharvbio.2025.113514

Xudong Zhang , Jinxiao Cheng , Lingling Pang , Di Shen , Yining Xia , Yanfang Pan

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引用次数: 0

Abstract

This study investigated the alleviating effects of hot water (HW) treatment on chilling injury (CI) in sweet potato tuberous roots stored at 5 °C. Results showed that HW48 ℃-10 min effectively mitigated CI and browning degree during cold storage. Specially, HW48 ℃-10 min maintained cellular structural integrity, as evidenced by lower relative conductivity, poor malondialdehyde accumulation, lower lipoxygenase activity, and a more intact microstructure. Furthermore, the treatment enhanced the activities of superoxide dismutase, catalase, ascorbate peroxidase, and glutathione reductase, while strengthening antioxidant capacity and reducing membrane damage. Additionally, higher energy charge levels, as well as activities of cytochrome oxidase, succinate dehydrogenase, Ca^2 +-ATPase, and H⁺-ATPase, were observed in samples treated with HW48 ℃-10 min, which were positively related to membrane damage repair during cold storage. Overall, HW48 ℃-10 min would be a promising approach for preserving sweet potato tuberous roots under cold storage.

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来源期刊

Postharvest Biology and Technology 农林科学-农艺学

CiteScore

12.00

自引率

11.40%

发文量

309

审稿时长

38 days

期刊介绍： The journal is devoted exclusively to the publication of original papers, review articles and frontiers articles on biological and technological postharvest research. This includes the areas of postharvest storage, treatments and underpinning mechanisms, quality evaluation, packaging, handling and distribution of fresh horticultural crops including fruit, vegetables, flowers and nuts, but excluding grains, seeds and forages. Papers reporting novel insights from fundamental and interdisciplinary research will be particularly encouraged. These disciplines include systems biology, bioinformatics, entomology, plant physiology, plant pathology, (bio)chemistry, engineering, modelling, and technologies for nondestructive testing. Manuscripts on fresh food crops that will be further processed after postharvest storage, or on food processes beyond refrigeration, packaging and minimal processing will not be considered.