BA Liangjie,LUO Donglan,CAO Sen,et al.Effects of 1-MCP Combined With 60Co-γ Irradiation on the Quality of Blueberry During Storage[J].Northern Horticulture,2019,43(08):118-124.[doi:10.11937/bfyy.20183449]
1-MCP结合60Co-γ辐照对蓝莓贮藏期品质的影响
- Title:
- Effects of 1-MCP Combined With 60Co-γ Irradiation on the Quality of Blueberry During Storage
- Keywords:
- blueberry; 1-methylcyclopropene; 60Co-γ irradiation; active compounds; antioxidant capacity
- 文献标志码:
- A
- 摘要:
- 为研究1-甲基环丙烯结合60Co-γ辐照处理对蓝莓贮藏品质的影响,以蓝莓为试材,研究对照CK:不做任何处理;S1:1 μL?L-1 1-MCP处理;S2:1.5 kGy辐照处理;S3:1 μL?L-1 1-MCP+1.5 kGy辐照处理在(0±0.5)℃下对蓝莓贮藏期活性成分含量及抗氧化活性的影响。结果表明:与CK相比,S1、S2和S3处理在贮藏后期均能够显著延缓感官品质、含水率、总酚含量、总黄酮含量、维生素C含量、过氧化氢酶(CAT)活性、α-葡萄糖苷酶抑制率的下降,提高蓝莓果实FRAP、还原力、DPPH?和O?[TX-*4]2清除力等抗氧化活性相关指标,且在S1、S2和S3处理中,S3处理在感官品质、含水率、总酚含量、总黄酮含量、维生素C含量、α-葡萄糖苷酶抑制率等指标效果最好。因此,采后用1 μL?L-1 1-MCP+1.5 kGy辐照处理对蓝莓保鲜效果最好。
- Abstract:
- In order to investigate the effect of 1-MCP(1-methylcyclopropene) combined with 60Co-γ irradiation on the storage quality of blueberry.Through the postharvest four treatments (no treatment was recorded as control;1 μL?L-1 1-MCP treatment was recorded as S1;1.5 kGy irradiation treatment was recorded as S2;1 μL?L-1 1-MCP+1.5 kGy irradiation treatment were recorded as S3) under (0±0.5)℃,the content of active constituents and antioxidants of blueberry were studied during storage.The results showed that compared with the control,the three treatments (S1,S2 and S3) significantly delayed the decrease of sensory quality,water content,total phenolic content,total flavonoid content,vitamin C content,CAT activity and α-glucosidase activity inhibition rate,increased the antioxidant activity related indexes such as FRAP,determination of reducing power,DPPH? and O?[TX-*4]2 scavenging ability of blueberry fruits.And in the three treatments,the quality of S3 treatment had the best effects on sensory quality,water content,total phenolic content,total flavonoid content,vitamin C content and α-glucosidase activity inhibition rate.Therefore,the postharvest 1 μL?L-1 1-MCP+1.5 kGy irradiation treatment was the best in term of the fresh-keeping effect for blueberry.
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备注/Memo
第一作者简介:巴良杰(1988-),男,博士,副教授,现主要从事食品贮藏与保鲜等研究工作。E-mail:765280029@qq.com.责任作者:王瑞(1979-),男,博士,教授,现主要从事农产品贮藏与保鲜等研究工作。E-mail:wangrui060729@126.com.基金项目:贵阳学院博士人才启动基金资助项目(GYU-ZRD(2018)-011);贵州省教育厅资助项目(黔教合KY字[2018]090);贵州省高等学校大学生创新创业训练计划资助项目(2018520776)。收稿日期:2018-12-24