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Co-Application of 1-MCP and Laser Microporous Plastic Bag Packaging Maintains Postharvest Quality and Extends the Shelf-Life of Honey Peach Fruit

文献类型： 外文期刊

作者： Li, Xuerui 1 ; Peng, Sijia 2 ; Yu, Renying 2 ; Li, Puwang 3 ; Zhou, Chuang 3 ; Qu, Yunhui 1 ; Li, Hong 1 ; Luo, Haibo 2 ; Yu, Lijuan 1 ;

作者机构： 1.Yunnan Acad Agr Sci, Agroprod Proc Res Inst, Kunming 650221, Yunnan, Peoples R China

2.Nanjing Normal Univ, Sch Food Sci & Pharmaceut Engn, Nanjing 210023, Peoples R China

3.Chinese Acad Trop Agr Sci, South Subtrop Crop Res Inst, Key Lab Hainan Prov Postharvest Physiol & Technol, Zhanjiang 524091, Peoples R China

关键词： honey peach fruit; soft; rot; preservation; shelf-life

期刊名称：FOODS （ 影响因子：5.561； 五年影响因子：5.94 ）

ISSN：

年卷期： 2022 年 11 卷 12 期

页码：

收录情况： SCI

摘要： Honey peach (Prunus persica L.) is highly nutritious; it is an excellent source of sugars, proteins, amino acids, vitamins, and mineral elements. However, it is a perishable climacteric fruit that is difficult to preserve. In this study, "Feicheng" honey peach fruit was used as a test material to investigate the synergistic preservation effect of 1-methylcyclopropene (1-MCP) and laser microporous film (LMF). The peach fruits were fumigated for 24 h with 2 mu L L-1 1-MCP, then packed in LMF. In comparison with the control treatment, 1-MCP + LMF treatment markedly decreased the respiration rate, weight loss, and rot rate of peach fruits. Moreover, the combination of 1-MCP and LMF suppressed the increase in soluble solids (SS) and reducing sugars (RS), as well as the decrease in titratable acid (TA) and ascorbic acid (AsA). The combined application also maintained a high protopectin content and low soluble pectin content; it reduced the accumulation of superoxide anions (O-2(-)) and hydrogen peroxide (H2O2). Except in a few samples, the catalase (CAT) and ascorbate peroxidase (APX) activities were higher when treated by 1-MCP + LMF. Conversely, the phenylalanine deaminase (PAL), peroxidase (POD), lipase, lipoxygenase (LOX), polygalacturonase (PG), beta-glucosidase, and cellulase (Cx) activities were lower than in the control. Furthermore, 1-MCP + LMF treatment reduced the relative abundances of dominant pathogenic fungi (e.g., Streptomyces, Stachybotrys, and Issa sp.). The combined treatment improved the relative abundances of antagonistic fungi (e.g., Aureobasidium and Holtermanniella). The results indicated that the co-application of 1-MCP and LMF markedly reduced weight loss and spoilage, delayed the decline of nutritional quality, and inhibited the physiological and biochemical metabolic activities of peach during storage. These changes extended its shelf-life to 28 days at 5 degrees C. The results provide a reference for the commercial application of this technology.

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