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Position: Home > Articles > Effects of different precooling modes on the quality of sweet cherry during shelf life China Fruits 2017 (1) 17-20+29

不同预冷方式对货架期甜樱桃果实品质的影响

作  者：
崔建潮;王文辉;贾晓辉;孙平平
单  位：
中国农业科学院果树研究所
关键词：
甜樱桃;冰水预冷;强制通风预冷;货架期;果实品质
摘  要：
以甜樱桃品种‘美早’为试材,采用冰水预冷和强制通风预冷2种预冷方式,并以不预冷为对照,比较了2种预冷方式处理后果实降温速度,并测定分析了预冷处理对果实失重率、色泽、果实硬度、可溶性固形物含量、可滴定酸含量、花青素含量、果柄褐变指数、腐烂率和有效货架期等指标的影响。结果表明:预冷处理能够显著降低果实失重率、腐烂率和果柄褐变指数,延缓果实颜色(亮度、色度和饱和度)和果实硬度的下降,保持较高的可溶性固形物、可滴定酸含量,延长了果实有效货架期2~3 d,而对果实花青素含量影响不大;2种预冷处理以冰水预冷效果最佳,冰水预冷较强制通风预冷使果实降温速度快,预冷时间缩短62%,建议生产上甜樱桃采后及时冰水预冷。
译  名：
Effects of different precooling modes on the quality of sweet cherry during shelf life
作  者：
CUI Jianchao;WANG Wenhui;JIA Xiaohui;SUN Pingping;Research Institute of Pomology,Chinese Academy of Agricultural Sciences;
关键词：
sweet cherry;;ice precooling;;forced air precooling;;shelf life;;fruit quality
摘  要：
The experiment studied the influence of different precooling modes on precooling effects and shelf quality of sweet cherry,in order to find a better precooling modes for prolonging the storage period of sweet cherry( Prunus avium L.‘Tieton'),ice precooling and forced air precooling were applied for the precooling of sweet cherry. The cooling rate and postharvest shelf quality( including weight loss rate,color,firmness,soluble solid content,titratable acid,anthocyanin,peduncle browning index,decay rate and effective shelf life) of sweet cherry were studied in this work. Results showed that two precooling modes both significantly decreased the fruit weight loss,fruit decay rate,and peduncle browning index,maintained the fruit color and firmness. The sweet cherry of precooling showed higher soluble solid content and titratable acid content than control,and prolonged 2 ~ 3 days of effective shelf life,but had no significant effect on the anthocyanin content. In addition,compared with forced air precooling,ice precooling showed the higher cooling rate,its precooling period was 62% shorter than forced air precooling. Taken together,precooling is effective method in maintaining the postharvest quality of sweet cherry,and compared with forced air precooling,ice precooling is recommended in the precooling of sweet cherry.

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