Visible light-responsive chitosan-based active packaging delays kiwifruit quality deterioration by regulating membrane lipid metabolism
文献类型： 外文期刊
作者： Ding, Ke 1 ; Xie, Ying 1 ; Yang, Haiying 3 ; Xu, Saiqing 1 ; Li, Huan 1 ; Wang, Zijun 2 ; Qiao, Xinbei 1 ; Tang, Qi 1 ; Wang, Rongrong 3 ; Shan, Yang 1 ; Ding, Shenghua 1 ;
作者机构： 1.Hunan Univ, Coll Biol, Longping Branch, Changsha 410125, Peoples R China
2.Hunan Acad Agr Sci, Inst Agr Prod Proc & Qual Safety Hunan, Dongting Lab, Hunan Prov Key Lab fruit & Vegetables Storage Proc, Changsha 410125, Peoples R China
3.Hunan Agr Univ, Coll Food Sci & Technol, Changsha 410128, Peoples R China
4.China Agr Univ, Coll Food Sci & Nutr Engn, Beijing 100083, Peoples R China
关键词： Food preservation; Photodynamic antibacterial; Membrane lipid disorder; Metabolomics; Transcriptomics
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 226 卷
页码：
收录情况： SCI
摘要： Disorders of membrane lipid metabolism are responsible for the deterioration of postharvest fruit quality. In this study, a multi-omics approach was utilized to investigate how visible light-responsive chitosan composite active (CC) films regulate membrane lipid metabolism to delay kiwifruit quality deterioration. Compared with traditional polyethylene (PE) packaging, the visible light-responsive CC packaging effectively preserved sensory quality, texture, and nutritional characteristics, and reduced malondialdehyde accumulation (by 29 %) and relative electrolyte leakage rate (by 21 %), and significantly decreased the activity of membrane lipid-degrading enzymes (LOX, PLD, PLC, and PLA2 enzyme activity). Metabolomics and transcriptomics highlighted the critical role of phospholipid metabolism in influencing quality changes. CC film reduced phosphatidic acid accumulation, attenuated phospholipid hydrolysis, and enhanced cell membrane integrity. Furthermore, it regulated key genes involved in membrane lipid metabolism, with lower expression of AcLOX, AcPLD, AcPLC, AcSDP, and AcDGK but higher expression of AcGPAT compared to the PE group. Thus, this study contributes to the understanding of the effects of membrane lipid metabolism on kiwifruit quality deterioration and also reveals the great potential of CC film to maintain kiwifruit postharvest quality.
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