Anti-browning Effect of 1 -MCP and Film Treatments on Lijiang Snow Peach During Cold Storage
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Abstract:
The ethylene receptor inhibitor 1- methylcyclopropene model (1-MCP) combined with cling film was tested for preservation of Lijiang snow peach picked from Lashi township of Yulong county, Lijiang city, at low temperature storage(3 ± 1 ℃). The results showed that at refrigerated temperature, 1-MCP treatment could inhibit the respiration of Lijiang snow peach, Inhibit the increase of cell membrane permeability and maintain the fruit weight. However it increased the POD activity of the peach. Film bag processing can keep moisture, inhibited the POD activity and cell membrane permeability. The inhibition effect of film bag on peach respiration was lower than that of 1-MCP treatment. The combination treatment of 1-MCP and film bag treatment not only maintain moisture, but inhibit the cell membrane permeability ,respiration and POD activity. In addition, the combined treatment can effectively inhibit the decrease of total phenolic content and PPO activity, thus preventing the browning of fresh Lijiang snow peach.
