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1-MCP和戊唑醇处理对青脆李果实贮藏期病害和品质的影响
引用本文:凡先芳,张 婕,姚世响,邓丽莉,王威浩,曾凯芳.1-MCP和戊唑醇处理对青脆李果实贮藏期病害和品质的影响[J].食品科学,2016,37(24):292-298.
作者姓名:凡先芳  张 婕  姚世响  邓丽莉  王威浩  曾凯芳
作者单位:西南大学食品科学学院,重庆 400715
基金项目:公益性行业(农业)科研专项(201303075)
摘    要:研究5 μL/L 1-甲基环丙烯(1-methylcyclopropene,1-MCP)与两种质量浓度(13.5、27.0 mg/L)戊唑醇单独或者结合处理对采后青脆李果实贮藏期褐腐病的控制效果以及对色泽和硬度的影响,以探讨1-MCP结合戊唑醇处理应用于青脆李果实采后保鲜的可能性。结果表明,20、0 ℃贮藏条件下两种质量浓度戊唑醇单独处理、1-MCP与两种质量浓度戊唑醇结合处理能够有效控制青脆李果实褐腐病损伤接种发病和自然发病;1-MCP单独处理不能控制常温条件下损伤接种李果实的褐腐病,但能够控制低温条件下损伤接种李果实褐腐病发生以及常温、低温条件下果实的自然发病;1-MCP与27.0 mg/L戊唑醇结合处理控制病害的效果最好。同时,1-MCP单独处理、1-MCP与两种质量浓度戊唑醇结合处理能够有效抑制果实的转黄和软化进程,戊唑醇单独处理不能延缓李果实的转黄和软化进程。贮藏过程中,13.5 mg/L戊唑醇单独处理、1-MCP与13.5 mg/L和27.0 mg/L戊唑醇结合处理组李果实中戊唑醇的残留量均低于国标规定的最大残留限量。

关 键 词:1-甲基环丙烯  戊唑醇  青脆李  褐腐病  品质  

Effects of 1-MCP and Tebuconazole Treatments on Disease and Quality of “Qingcui” Plum Fruits during Storage
FAN Xianfang,ZHANG Jie,YAO Shixiang,DENG Lili,WANG Weihao,ZENG Kaifang.Effects of 1-MCP and Tebuconazole Treatments on Disease and Quality of “Qingcui” Plum Fruits during Storage[J].Food Science,2016,37(24):292-298.
Authors:FAN Xianfang  ZHANG Jie  YAO Shixiang  DENG Lili  WANG Weihao  ZENG Kaifang
Affiliation:College of Food Science, Southwest University, Chongqing 400715, China
Abstract:The effects of individual and combined treatments with 1-methylcyclopropene (1-MCP) at 5 μL/L and tebuconazole at two different concentrations on brown rot control, color and firmness of postharvest “Qingcui” plum fruits during storage were studied in order to explore the possible application of 1-MCP combined with tebuconazole for postharvest preservation of “Qingcui” plum fruits. The results showed that tebuconazole at two concentrations alone and combined with 1-MCP could effectively control the occurrence of brown rot on normal fruits and wounded and inoculated fruits during storage at 20 and 0 ℃, while 1-MCP treatment alone had no such effect on wounded and inoculated plum fruits during storage at room temperature. But it was effective in inhibiting brown rot inoculated in wounds on plum fruits stored at low temperature and also effective against natural incidence at room temperature and low temperature. The combination of 1-MCP with 27.0 mg/L tebuconazole was the most effective against brown rot on plum fruits. At the same time, 1-MCP treatment alone and combined with tebuconazole at two concentrations rather than tebuconazole alone could effectively inhibit the progression of fruit yellowing and softening. The tebuconazole residues of plum fruits subjected to 13.5 mg/L tebuconazole treatment and 1-MCP combined with tebuconazole at 13.5 and 27.0 mg/L were below the maximum residue limit stipulated in the Chinese national standard.
Keywords:1-methylcyclopropene  tebuconazole  “Qingcui&rdquo  plum fruits  brown rot  quality  
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