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Combined modified atmosphere package and melatonin treatments delay the senescence of bitter bamboo shoots by inhibiting the cell wall changes after harvest

文献类型： 外文期刊

作者： Wang, Ling 1 ; Zhang, Shuo 1 ; Luo, Zheng 1 ; Chen, Yulong 1 ; Qi, Yingwei 1 ; Ye, Mingqiang 1 ; Chen, Feiping 1 ; Huang, Hua 2 ; Dai, Fanwei 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Key Lab Funct Foods, Guangdong Key Lab Agr Prod Proc,Minist Agr & Rural, Guangzhou 510610, Peoples R China

2.Guangdong Acad Agr Sci, Key Lab South Subtrop Fruit Biol & Genet Resource, Guangdong Prov Key Lab Trop & Subtrop Fruit Tree R, Minist Agr & Rural Affairs,Inst Fruit Tree Res, Guangzhou 510640, Peoples R China

关键词： Bitter bamboo shoot; Postharvest shelf-life; Modified atmosphere package; Melatonin; Lignin; Cell wall polysaccharides

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.6； 五年影响因子：6.9 ）

ISSN： 0023-6438

年卷期： 2025 年 219 卷

页码：

收录情况： SCI

摘要： The tender bamboo shoots are prone to senescence with rapid increase of hardness after harvest. In this study, the combined treatments of modified atmosphere package and melatonin were applied to enhance the inhibition of cell wall metabolisms in delaying senescence of tender bitter bamboo shoots. This combined treatment could obviously suppress the increase of CO2 and decrease of O2 in packages, and the changes in level of firmness, total pectin, cellulose, and lignin of bitter bamboo shoots. The enzymes for cell wall polysaccharides such as polygalacturonase (PG), cellulase, and pectinase, and enzymes for lignin accumulation including phenylalanine ammonia lyase (PAL), cinnamyl alcohol dehydrogenase (CAD), peroxidase (POD), and laccase were apparently modified. Additionally, the biosynthesis genes of PaPAL3/4, PaCAD, Pa4CL, PaC4H, PaCCOAOMT, PaCOMT, PaSND2, and PaCESA1 in related to the lignin formation, as well as PaKNAT7, PaMYB20, PaMYB63 and PaMYB85 as the regulated transcription factors were obviously regulated. These findings indicate that the combined treatments could effectively mitigate the cell wall polysaccharide and lignin content, thereby extending shelf-life for bitter bamboo shoots after harvest.

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