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The Combined Effect of 1-methylcyclopropene (1-MCP) and Ethylene on Green-life and Postharvest Quality of Banana Fruit
International Journal of Fruit Science ( IF 2.4 ) Pub Date : 2020-09-15 , DOI: 10.1080/15538362.2020.1818162
Thabiso Kenneth Satekge 1 , Lembe Samukelo Magwaza 1, 2
Affiliation  

ABSTRACT 1-methylcyclopropene (1-MCP) extends shelf-life of banana fruit, however, it induces uneven ripening. The strong effect 1-MCP has on ethylene receptors probably condition the fruit to ripen unevenly. Combined application of 1-MCP and ethephon has been reported to alleviate this negative effect. However, limited work reported the effect of the treatment at cold storage. Hence, the present study determined whether the combined application of 1-MCP and ethylene prolongs banana green-life during cold storage and induces uniform ripening during shelf-life. The study comprised four treatments: control (untreated), gaseous 1-MCP at 400 nL L−1 and combination of 400 nL L−1 1-MCP with liquid ethephon at 50 or 100 µL L−1 concentrations. The treatments were arranged in a completely randomized design (CRD) with 4 replicates. The treated fruit were cold stored at 14°C for 30 d and thereafter 23°C to simulate shelf-life for 9 d. The results showed that 400 nL L−1 1-MCP and combined with 50 and 100 µL L−1 ethephon prolonged green-life and delayed ripening during cold storage compared to the control. In addition, there was more softening, yellow color development, and accumulation of soluble sugars in fruit treated with 1-MCP+ethephon compared to 1-MCP during shelf-life. The combined application of 1-MCP and ethylene is an effective strategy that prolongs banana green-life during cold storage and induces uniform ripening during shelf-life. This strategy has potential to be used when banana fruit are exported to distant markets, since it also prolongs green-life for a long time.

中文翻译:

1-甲基环丙烯(1-MCP)和乙烯对香蕉果实绿色寿命和采后品质的综合影响

摘要 1-甲基环丙烯 (1-MCP) 可延长香蕉果实的保质期,但会导致成熟不均匀。1-MCP 对乙烯受体的强烈影响可能会导致果实成熟不均匀。据报道,1-MCP 和乙烯利的联合应用可以减轻这种负面影响。然而,有限的工作报告了冷藏处理的效果。因此,本研究确定了 1-MCP 和乙烯的联合应用是否可以延长冷藏期间香蕉的绿色寿命并在货架期内诱导均匀成熟。该研究包括四种处理:对照(​​未处理)、400 nL L-1 的气态 1-MCP 以及 400 nL L-1 1-MCP 与 50 或 100 µL L-1 浓度的液体乙烯利的组合。处理以完全随机设计 (CRD) 排列,重复 4 次。处理过的水果在 14°C 下冷藏 30 天,然后在 23°C 下冷藏 9 天。结果表明,与对照相比,400 nL L-1 1-MCP 与 50 和 100 µL L-1 乙烯利的组合延长了冷藏期间的绿色寿命和延迟成熟。此外,在保质期内,与 1-MCP 相比,用 1-MCP+乙烯利处理的果实软化、发黄和可溶性糖积累更多。1-MCP 和乙烯的联合应用是一种有效的策略,可以在冷藏期间延长香蕉的绿色寿命,并在货架期内诱导均匀成熟。当香蕉水果出口到遥远的市场时,这种策略有可能被使用,因为它还能延长绿色寿命。结果表明,与对照相比,400 nL L-1 1-MCP 与 50 和 100 µL L-1 乙烯利的组合延长了冷藏期间的绿色寿命和延迟成熟。此外,在保质期内,与 1-MCP 相比,用 1-MCP+乙烯利处理的果实软化、发黄和可溶性糖积累更多。1-MCP 和乙烯的联合应用是一种有效的策略,可以在冷藏期间延长香蕉的绿色寿命,并在货架期内诱导均匀成熟。当香蕉水果出口到遥远的市场时,这种策略有可能被使用,因为它还能延长绿色寿命。结果表明,与对照相比,400 nL L-1 1-MCP 与 50 和 100 µL L-1 乙烯利的组合延长了冷藏期间的绿色寿命和延迟成熟。此外,在保质期内,与 1-MCP 相比,用 1-MCP+乙烯利处理的果实软化、发黄和可溶性糖积累更多。1-MCP 和乙烯的联合应用是一种有效的策略,可以在冷藏期间延长香蕉的绿色寿命,并在货架期内诱导均匀成熟。当香蕉水果出口到遥远的市场时,这种策略有可能被使用,因为它还能延长绿色寿命。在保质期内,与 1-MCP 相比,用 1-MCP+乙烯利处理的水果中黄色的形成和可溶性糖的积累。1-MCP 和乙烯的联合应用是一种有效的策略,可以延长冷藏期间香蕉的绿色寿命,并在货架期内诱导均匀成熟。当香蕉水果出口到遥远的市场时,这种策略有可能被使用,因为它还能延长绿色寿命。在保质期内,与 1-MCP 相比,用 1-MCP+乙烯利处理的水果中黄色的形成和可溶性糖的积累。1-MCP 和乙烯的联合应用是一种有效的策略,可以在冷藏期间延长香蕉的绿色寿命,并在货架期内诱导均匀成熟。当香蕉水果出口到遥远的市场时,这种策略有可能被使用,因为它还能延长绿色寿命。
更新日期:2020-09-15
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