Comparative analysis in postharvest storability, quality attributes, antioxidant activity, and disease defense systems in ‘Fuyan’ and ‘Dongbi’ longans during storage

IF 6.8 1区农林科学 Q1 AGRONOMY Postharvest Biology and Technology Pub Date : 2025-02-10 DOI:10.1016/j.postharvbio.2025.113422

Yueying Sang , Lijuan Lin , Hongyi Wen , Yixiong Lin , Mengshi Lin , Yihui Chen , Hui Wang , Zhongqi Fan , Yifen Lin , Hetong Lin

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引用次数: 0

Abstract

This research aimed to compare the fruit storability and quality differences between the ‘Fuyan’ and ‘Dongbi’ varieties of longan (Dimocarpus longan Lour.) by assaying their antioxidant system and disease defense systems. The results showed that, compared to ‘Fuyan’ fruit, during storage, ‘Dongbi’ fruit exhibited superior storability and appearance, characterized by lower levels of fruit disease, pulp breakdown, pericarp browning, and weight loss, alongside higher pericarp color, brightness, pigments, pulp nutrient content, and commercial acceptability of fruit. Additionally, ‘Dongbi’ longans exhibited lower ROS accumulation and MDA level, higher levels of antioxidants (AsA, GSH), antioxidant enzymes (SOD, CAT, APX), reducing power, and DPPH• scavenging ability. Besides, ‘Dongbi’ longans retained higher levels of secondary metabolites (lignin, total phenolics, flavonoid), PRMEs (PAL, C4H, 4-CL, CAD, POD), and PRs (CHI, GLU). Therefore, the enhanced storage stability of ‘Dongbi’ longans may be attributed to the synergistic effects of an improved antioxidant system, phenylpropanoid pathway, and PRs.

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“扶岩”和“东壁”龙眼采后贮藏性、品质属性、抗氧化活性及抗病系统的比较分析

本研究通过对“扶岩”和“东壁”龙眼抗氧化系统和病害防御系统的分析，比较了两品种龙眼果实的贮藏性和品质差异。结果表明，与“福岩”相比，“东壁”果实在贮藏过程中表现出更好的贮藏性和外观，果实病害、果肉破损、果皮褐变和重量下降的程度更低，果皮颜色、亮度、色素、果肉营养含量和商品可接受度更高。此外，“东壁”龙眼具有较低的ROS积累和MDA水平，较高的抗氧化剂（AsA， GSH），抗氧化酶（SOD， CAT， APX），还原能力和DPPH•清除能力。此外，“东壁”龙眼次生代谢产物（木质素、总酚类、类黄酮）、PRMEs （PAL、C4H、4-CL、CAD、POD）和PRs （CHI、GLU）含量较高。因此，‘东壁’龙眼贮存稳定性的增强可能是抗氧化系统、苯丙素途径和pr的协同作用所致。

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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.