摘要
评估短波紫外线(Ultraviolet-C,UV-C)在不同冷藏时间、货架期和贮藏温度下对蓝莓抗氧化活性变化的影响,可以为提高蓝莓品质的可行方法提供理论依据。结果表明,UV-C处理蓝莓的原花青素含量、总酚含量、总花青素含量、类黄酮含量和自由基清除能力随贮藏时间、货架期、贮藏温度及其相互作用而不同。随着货架期的延长,抗氧化活性逐渐下降,特别是对于长期冷藏的蓝莓,UV-C辐照显著延缓了样品中原花青素和总酚含量的下降,低温(5℃)能有效维持高水平的自由基清除能力。总之,贮藏时间、货架期和贮藏温度对UV-C处理蓝莓抗氧化活性的变化有不同程度的影响。
The purpose of the study is to estimate the efficacy of ultraviolet-C(UV-C)on the change of antioxidant activity in blueberries at various cold storage time,shelf life and shelf temperature,which aims to provide a theoretical basis for finding a feasible method to improved the quality of blueberries.The results indicated that procyanidine content,total phenols content,total anthocyanin content,flavonoid content,and radical scavenging abilities in UV-C treated blueberries responded variously to storage time,shelf life,shelf temperature and their interactions.The antioxidant activity gradually decreased over the shelf life,especially for blueberries that have been in cold storage for a long time.UV-C irradiation treatment observably delayed the decline of procyanidine and total phenols content in samples.Low shelf temperature(5℃)effectively maintained high levels of radical scavenging abilities.In conclusion,storage time,shelf life and shelf temperature exerted different effects on the change of antioxidant activity in UV-C treated blueberries.
作者
徐方旭
刘泓远
何茜
刘博佳
李冰鑫
张晋颖
XU Fangxu;LIU Hongyuan;HE Xi;LIU Bojia;LI Bingxin;ZHANG Jinying(Experimental Teaching Center,Shenyang Normal University,Shenyang 110034,China;Liaoning Key Laboratory of Cordyceps Militaris with Functional Value,Shenyang 110034,China;College of Grain Science and Technology,Shenyang Normal University,Shenyang 110034,China;College of Life Science,Shenyang Normal University,Shenyang 110034,China)
出处
《沈阳师范大学学报（自然科学版）》
CAS
2023年第1期49-57,共9页
Journal of Shenyang Normal University:Natural Science Edition
基金
Project supported by National Innovation and Entrepreneurship Training Program Project for College Students,China(X202210166110X)
Key Project of Education Department of Liaoning Province,China(LJKZZ20220116).
关键词
蓝莓
短波紫外线
货架期
抗氧化活性
blueberry
ultraviolet-C(UV-C)
shelf life
antioxidant activity
