Abstract
The work aims to study the fresh-keeping effects of 1-methylcyclopropene (1-MCP) and ethylene absorbent (EA) on Actinidia argute. Longcheng No.2 Actinidia arguta was used as experimental material and treated with EA, 1-MCP and 1-MCP+EA. Under the storage conditions of low temperature (−0.8~−0.2 ℃), the changes of nutritional quality, hardness, chlorophyll, physiological indexes, total phenol and peroxidase (POD) of Actinidia arguta were studied after 60 days of storage. Compared with the CK group, the treatment groups were beneficial to maintaining fruit storage quality, and the 1-MCP+EA group had the best fresh-keeping effect, which could slow down the increase of total soluble solids (TSS) and inhibit the decrease of titratable acid (TA), soluble protein, hardness and chlorophyll. On the 60th day, the mass fraction of VC content was 548.55 µg/g and fruit respiration intensity and ethylene production rate peak were reduced. At the end of storage, the total phenol mass fraction increased to 47.9 µg/g, maintaining POD activity. Through SPSS analysis, the comprehensive score was in the order of 1-MCP+EA group >1-MCP group >EA group >CK group, indicating that the effect of 1-MCP combined with EA was better than that of single treatment. 1-MCP combined with EA treatment can inhibit the physiological activity of fruits, help to maintain the quality of fruits during storage period, keep good hardness and color and have the best fresh-keeping effect.
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ZHANG Peng, CHEN Xi-ran, JIA Xiao-yu, JIANG Xing-xiang, LI Jiang-kuo, YI Ding-cai, CAO Ling.
Effects of 1-MCP Combined with Ethylene Absorbent on Storage Quality of Actinidia arguta[J]. Packaging Engineering. 2022(21): 17-24 https://doi.org/10.19554/j.cnki.1001-3563.2022.21.003
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