黑龙江八一农垦大学学报2025，Vol.37Issue(3)：53-60,87,9.DOI:10.3969/j.issn.1002-2090.2025.03.008
褪黑素处理对采后树莓果实品质的影响
Effects of Melatonin Treatment on Fruit Quality of Postharvest Raspberry
摘要
Abstract
In order to investigate the effect of exogenous melatonin(MT)treatment on the quality of postharharvest raspberries,'Haritazi'red raspberry was used as the experimental material,and different concentrations of MT(0,100,200,300,400 μmol·L-1)were used to treat raspberry fruit.The firmness,weight loss rate,color difference,soluble solids(TSS),cell wall metabolism-related components contents and degrading enzymes activities of fruit were measured.The results showed that after 24 h of storage,the firmness and TSS content of the 100 μmol·L-1 MT treatment group were 15.0%and 21.2%higher than the control group,respectively,and the weight loss rate was 13.3%lower than the control group.During the whole storage period,the protopectin and cellulose contents of the 100 μmol·L-1 MT treatment group were significantly higher than the control group,while the soluble pectin content was significantly lower than the control group.When fruits were stored for 12-36 h,the polygalacturonase,pectin methy-lesterase,cellulase and β-glucanase activities of the 100 μmol·L-1 MT treatment group were 760.9-862.0,6.0-9.3,800.2-1 189.5,2 096.4-3 102.7 μg·h-1·g-1,respectively,which were significantly lower than the control group.The results indicated that MT treatment could maintain the cell wall structure and preserve the storage quality of raspberry fruit after harvest by inhibiting the activity of cell wall degrading enzymes.关键词
树莓/褪黑素/果实品质/贮藏保鲜Key words
raspberry/melatonin/fruit quality/storage and preservation分类
园艺学与植物营养学引用本文复制引用
孙华军,崔方正,钱丽丽,杨斯琪,李跃,刘盈,朱思静..褪黑素处理对采后树莓果实品质的影响[J].黑龙江八一农垦大学学报,2025,37(3):53-60,87,9.基金项目
黑龙江省自然科学基金联合引导项目(LH2021C067) （LH2021C067）
黑龙江八一农垦大学引进人才科研启动基金(XYB2021022,XYB202211). （XYB2021022,XYB202211）
