Electron beam radiation delayed the disassembly of cell wall polysaccharides in harvested mangoes
作者： Apiradee Uthairatanakij , Pongphen Jitareerat , Varit Srilaong , Lancui Zhang , Natta Laohakunjit
DOI: 10.1016/J.POSTHARVBIO.2021.111544
关键词:
摘要: Abstract Fruit softening, accompanied by cell wall polysaccharides degradation, is a common phenomenon in harvested mango (Mangifera indica L.) fruit. To reduce fruit’s firmness loss and maintain of mangoes, the effect electron beam (E-beam) radiation on firmness, degrading enzyme activities, contents polysaccharides, reactive oxygen species (ROS), expression genes involved with fruit softening were studied mangoes stored at 13 ℃. As compared untreated fruit, E-beam treated dose 0.5 kGy exhibited higher such as sodium carbonate-soluble pectin, hemicellulose cellulose, well lower content water-soluble activity enzymes, pectin esterase (PE), β-galactosidase (BG), pectate lyase (PEL) cellulase (CEL), except polygalacturonase (PG), hydrogen peroxide (H2O2) superoxide radical (O2– ) during storage period. In addition, also suppressed MiPE, MiPEL, MiBG genes. These results suggest that retards process reducing production H2O2 O2– , they are caused to alternate plant retard transcript level mangoes.
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