Oriented polypropylene packaging mitigates postharvest black spot formation in baby Chinese cabbage: Insights from transcriptomic and metabolomic analyses

文献类型： 外文期刊

第一作者： Zhang, Chunjie

作者： Zhang, Chunjie;Wang, Mina;Wu, Ke;Yan, Bangjin;Yuan, Shuzhi;Xu, Xiaodi;Liu, Ning;Yue, Xiaozhen;Wang, Qing;Zhang, Chunjie;Wu, Ke;Jiang, Aili;Wang, Mina;Yan, Bangjin;Song, Zeyu

作者机构：

关键词： Baby Chinese cabbage; Black spot; Packaging; Transcriptome metabolomic

期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：6.8； 五年影响因子：7.5 ）

ISSN： 0925-5214

年卷期： 2025 年 230 卷

页码：

收录情况： SCI

摘要： 'Black spot' disease, seriously affects the shelf-life and quality of baby cabbage (Brassica rapa subsp. pekinensis). However, little research been conducted to develop methods to delay or mitigate baby cabbage 'black spot'. Comprehensive physiological, biochemical, transcriptomic, and metabolomic analyses were conducted. This resulted in the identification of 2493 differentially expressed genes (DEGs) and 539 differentially abundant metabolites (DAMs) between cabbages packaged in polyvinyl chloride (PVC) vs. oriented polypropylene (OPP). DEGs identified in cabbage samples in OPP packaging were significantly enriched in antioxidant and stress-response pathways. Up-regulated DEGs included PAL (7.75, 3.04-fold), 4CL (2.32-fold), CYP73A (2.58-fold), CAD (9.21, 9.68, 2.16, 7.54-fold), and COMT (2.33-fold) genes, and down-regulated DEGs included F5H (4.92, 3.82-fold) and E2.1.1.104 (2.87-fold) associated with phenylpropanoid biosynthesis; up-regulation of PepA (3.29-fold), E1.11.1.11 (2.15, 2.16-fold) and down-regulation of CD224 (3.24-fold) and GSS (2.41-fold) associated with glutathione metabolism; and up-regulation of LOX2S (1.93, 89.83, 1.95, 45.94, 102.95, 27.30-fold) and down-regulation of PLA2G (5.56-fold) and LOX1 (4.05-fold) associated with linoleic acid metabolism. Importantly, OPP to maintain total phenols, flavonoids, and Vc content while maintaining lower H2O2levels and PPO enzyme activity compared to PVC. Our findings demonstrate the potential of OPP packaging as a novel method to extend the shelf life and enhance the quality of baby cabbage by modulating key metabolic and gene expression pathways. The study also provides insight into the mechanism by which OPP packaging mitigates the onset of black spot in baby cabbage.

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