首页|不同预冷方式结合1-甲基环丙烯对红提葡萄的保鲜效果

不同预冷方式结合1-甲基环丙烯对红提葡萄的保鲜效果

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[目的]研究不同预冷方式结合 1-甲基环丙烯(1-MCP)对红提葡萄预冷速度及贮藏品质的影响。[方法]以红提葡萄为试材，分别用隧道式原位差压预冷装置、预蓄冷周转箱、冷库预冷三种预冷方式结合1。5 μL/L 1-MCP熏蒸处理，无1-MCP熏蒸作为对照(CK)。置于(0±0。5)℃、相对湿度85％的保鲜库中贮藏，每20d测定1 次果实的各项生理指标变化。[结果]隧道式原位差压预冷、预蓄冷周转箱处理的红提葡萄降温速率明显比冷库预冷的速率快，1。5 μL/L 1-MCP结合隧道式差压预冷、预蓄冷周转箱处理的果实较 1-MCP结合冷库及CK处理的果实腐烂率和落粒率低，对葡萄的可滴定酸(TA)、可溶性固形物(SSC)含量的保留具有积极的作用，抑制了果实的呼吸强度和丙二醛(MDA)含量，激发了过氧化物酶(POD)的活性，较好的维持了果实品质和营养成分，有效延缓了果实的衰老进程。[结论]1。5 μL/L 1-MCP结合隧道式原位差压预冷处理，推迟了红提葡萄的后熟软化衰老进程，保持了果实的品质和营养成分。
Effects of different pre-cooling methods combined with 1-MCP on the preservation of local red globe grape
[Objective]To determine the effects of different pre-cooling methods combined with 1-methylcyclopropene(1-MCP)on the pre-cooling rate and storage quality of Red Globe Grape.[Methods]Red Globe Grape was precooled by tunnel-type in-situ differential pressure precooling device,precooled storage turnover box and cold storage combined with 1.5 μL/L 1-MCP fumigation,no 1-MCP fumigation was used as control(CK).The fruits were stored at(0±0.5)℃,relative humidity 85％,and the changes of physiological indexes were measured every 20 days.[Results]The cooling rate of red grape treated by tunnel-type in-situ differential pressure precooling and pre-cool storage turnover box was significantly faster than that of cold storage,1.5 μL/L 1-MCP combined with tunnel differential pressure pre-cooling and pre-cool storage turnover box had lower fruit decay rate and granulation rate than that of 1-MCP combined with cold storage and CK.It had a positive effect on the retention of titratable acid(TA)and soluble solid(SSC)con-tents,inhibited the respiration intensity and malondialdehyde(MDA)content of the fruit,stimulated the activity of Peroxidase(POD),better maintained fruit quality and nutrients and effectively delayed the aging process of fruit.[Conclusion]1.5 μl/L 1-MCP combined with tunnel-type in-situ differential pressure precooling can better delay the post-ripening,softening and senescence process of Red Globe Grape,and maintain the fruit quality and nutritional components.

red globe grape1-MCPdifferent pre-cooling methodsquality

李自芹、李文绮、王纪文、马小宁、赵志永、党富民

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新疆农垦科学院,新疆石河子 832000

石河子质量与计量检测所,新疆石河子 832000

双河市丝蔓果蔬种植农民专业合作社,新疆双河 833303

红提葡萄 1-甲基环丙烯 不同预冷方式 品质

新疆维吾尔自治区天山英才计划(第三期)(2021-2023)新疆生产建设兵团重点领域科技攻关计划新疆生产建设兵团农产品质量安全监管(葡萄储藏保鲜风险评估)项目新疆生产建设兵团红枣质量安全关键危害因子风险评估项目Scientific and technological breakthrough plan in key fields of the Corps

2020AB0082020AB085

2024

10.6048/j.issn.1001-4330.2024.01.010

新疆农业科学
新疆农业科学院 新疆农业大学 新疆农学会

新疆农业科学

CSTPCD北大核心
影响因子：0.698
ISSN：1001-4330
年,卷(期)：2024.61(1)
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