Enhance the quality of “Tongling white ginger” by blue LED treatment: Based on delaying oxidative metabolism and cell wall metabolism pathways

IF 6.4 1区农林科学 Q1 AGRONOMY

Postharvest Biology and Technology Pub Date : 2025-04-11 DOI:10.1016/j.postharvbio.2025.113568

Jiayi Wang, Xin Wang, Xiaomin Yang, Fang Zhang

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引用次数: 0

Abstract

Because of the high water content and thin peel of ‘Tongling white ginger’, softening is the most important factor limiting its postharvest storage and transportation. In this study, blue LED treatment effectively delayed the softening of ‘Tongling white ginger’ after harvesting by regulating oxidative metabolism and cell wall metabolism, thereby maintaining its quality. The results showed that blue LED treatment delayed the decline in firmness of ‘Tongling white ginger’, maintained higher storage quality, and effectively extended its storage period. Compared with the dark group, blue LED treatment significantly reduced the water-soluble pectin content while increased the protopectin, hemicellulose and cellulose contents of ‘Tongling white ginger’. This was mainly due to the inhibition of cell wall-degrading enzyme activities and the reduction of transcription levels of genes related to cell wall metabolism. Additionally, blue LED activated the antioxidant system of ‘Tongling white ginger’, contributing to delaying its postharvest senescence.

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蓝光LED处理提高“铜陵白姜”品质：基于延缓氧化代谢和细胞壁代谢途径

铜陵白姜含水量高，果皮薄，软化是限制其采后储运的最重要因素。在本研究中，蓝光LED处理通过调节氧化代谢和细胞壁代谢，有效延缓了‘铜陵白姜’收获后的软化，从而保持了其品质。结果表明，蓝光LED处理延缓了‘铜陵白姜’硬度的下降，保持了较高的贮藏品质，有效延长了贮藏期。与深色组相比，蓝色LED处理显著降低了‘铜陵白姜’的水溶性果胶含量，提高了‘铜陵白姜’的原生果胶、半纤维素和纤维素含量。这主要是由于抑制了细胞壁降解酶的活性，降低了细胞壁代谢相关基因的转录水平。此外，蓝色LED激活了“铜陵白姜”的抗氧化系统，有助于延缓其采后衰老。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.