1-methylcyclopropene combined with ethylene absorbent delays the ripening of 'Fenjiao' banana (Musa ABB Pisang Awak)

文献类型： 外文期刊

第一作者： Rahman, Faiz Ur

作者： Rahman, Faiz Ur;Luo, Jun;Liu, Tongxin;Chen, Weixin;Li, Xueping;Zhu, Xiaoyang;Zhang, Lan

作者机构：

关键词： 1-Methylcyclopropene; Ethylene absorbent; Ripening; Enzyme activity; Gene expression; 'Fenjiao' banana

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：4.3； 五年影响因子：4.5 ）

ISSN： 0304-4238

年卷期： 2024 年 326 卷

页码：

收录情况： SCI

摘要： The 'Fenjiao' banana (Musa ABB Pisang Awak) has a high commercial and nutritional value and is harvested when it is highly plump at between 85 and 90 % commercial maturity. The fruit are less angular at this stage. However, these fruit soften rapidly after harvest. 1-Methylcyclopropene (1-MCP) significantly delays ripening, but it can cause ripening disorders when used improperly. Ethylene absorbent (EA) is also widely used to increase the postharvest life of fruit, but it has less of an effect on 'Fenjiao' banana. This study was conducted to optimize the concentrations of 1-MCP combined with EA to increase the shelf life of these bananas. The results showed that a low concentration of 1-MCP (7 g L-1) combined with EA (2 g kg-1) significantly prolonged the shelf life of the 'Fenjiao' banana and maintained its high quality. The combination of 1-MCP and EA repressed the activities of 1-aminocyclopropane-1-carboxylic acid (ACC) oxidase, ACC synthase, pectin methylesterase, polygalacturonase and pectate lyase in the peel and pulp of 'Fenjiao' banana, as well as the corresponding levels of expression of MbACS1, MbACO1, MbPG1, MbPL1, except for MbPME1, which are induced by 1-MCP. This study provides a useful technique for preserving 'Fenjiao' fruit with a study on its possible physiological mechanism, which could be applied in the postharvest production of 'Fenjiao' banana.

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