乙烯与1-MCP处理对伯谢克辛甜瓜采后生理品质的影响

doi:10.6048/j.issn.1001-4330.2018.10.008

摘要/Abstract

摘要： 【目的】 研究乙烯与1-MCP处理在7℃冷藏条件下对伯谢克辛甜瓜采后生理品质的影响,为甜瓜采后贮藏保鲜提供理论依据。【方法】 以伯谢克辛甜瓜为原料,分别采用500 mg/L的乙烯和2 μL/L 1-MCP对甜瓜进行处理,每隔24 h测定甜瓜果实硬度、呼吸强度、细胞膜渗透率、可溶性固形物、可溶性糖、还原糖、VC、可滴定酸等品质指标。【结果】 与CK相比,1-MCP可以明显降低甜瓜果实呼吸强度、细胞膜渗透率,保持甜瓜果实硬度,抑制可溶性固形物、还原糖、总糖、可滴定酸、VC含量下降,乙烯处理降低果实硬度,促进果实中可溶性固形物、糖、酸含量和VC含量的下降。【结论】 伯谢克辛甜瓜为乙烯敏感性果实,1-MCP处理能够抑制甜瓜采后呼吸作用,减缓甜瓜果实营养物质的流失,较好的保持甜瓜品质,乙烯处理提高了甜瓜的呼吸强度和细胞膜透性,降低果实硬度,加速了果实采后品质劣变及软化衰老进程。

关键词: 甜瓜; 1-甲基环丙烯; 乙烯; 贮藏; 品质

Abstract: 【Objective】 To study the effects of ethylene and 1-MCP treatment on the postharvest physiological quality of 'Boxiekexin'melon at 7℃ storage conditions in the hope of providing theoretical basis for postharvest storage and preservation technology of muskmelon.【Method】 Using 'Boxiekexin' melon as raw material, using 500 mg/L ethylene and 2 μL/L 1-MCP of melon processing respectively. The firmness, respiration rate, cell membrane permeability, soluble solids, soluble sugar, reducing sugar, ascorbic acid, titratable acid and other quality indexes were measured every 24 h.【Result】 Compared with CK, 1-MCP could significantly reduce the respiration intensity, cell membrane permeability, maintain fruit firmness, inhibit the decrease of soluble solid content, reducing sugar content, total sugar content, titratable acid content and VC content. Ethylene treatment reduced fruit firmness and promoted the reduction of fruit soluble solids, sugar and acid content and VC content.【Conclusion】 'Boxiekexin' melon is an ethylene sensitivity fruit, 1-MCP treatment can inhibit melon postharvest respiration, slow down the loss of nutrients in melon fruits, better maintain the quality while ethylene treatments increase the melon respiration rate and cell membrane permeability, reduce fruit firmness, accelerate the postharvest quality deterioration change and soften the aging process.

Key words: muskmelon; 1-MCP; ethylene; storage; quality

张明明,白羽嘉,热合满·艾拉,王玉红,李梦,玛尔哈巴·帕尔哈提,冯作山. 乙烯与1-MCP处理对伯谢克辛甜瓜采后生理品质的影响[J]. 新疆农业科学, 2018, 55(10): 1829-1836.

ZHANG Ming-ming,BAI Yu-jia,Rahman Aila,WANG Yu-hong,LI Meng, Maerhaba Paerhati,FENG Zuo-shan. Effects of Ethylene and 1-MCP Treatment on the Postharvest Physiological Quality of 'Boxiekexin' Melon[J]. Xinjiang Agricultural Sciences, 2018, 55(10): 1829-1836.

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