摘要
为分析鼓风、冷冻和真空3种干燥方式对水芹多酚组分及其抗氧化能力的影响,采用高效液相色谱-质谱联用法测定不同干燥处理水芹中11种多酚含量。结果表明:3种干燥方式均可降低水芹多酚含量,并改变水芹多酚组分,其中真空干燥水芹中11种多酚组分含量最高,而冷冻干燥后最低。干燥后,水芹多酚中开始有咖啡酸形成。鼓风干燥后,木犀草素完全降解。与新鲜水芹相比,鼓风和真空干燥均增加水芹茎秆中11种多酚组分含量,其中香芹酚和芹菜素最为明显,而冷冻干燥使其降低。干燥方式可降低水芹多酚的抗氧化能力,其中冷冻干燥水芹多酚的抗氧化能力最高,而鼓风干燥最低。相关性分析显示,11种多酚组分中芹菜素、芦丁、槲皮素和没食子酸与多酚抗氧化能力呈显著相关。
In order to analyze the effects of air drying,freeze drying and vacuum drying on polyphenol ingredients and antioxidant ability of cress,11kinds of polyphenols in cress were determined by high performance liquid chromatographymass spectrometry(HPLC-MS).The results showed that the three drying processes reduced the content of polyphenols and changed the ingredients of polyphenols in cress.The vacuum drying cress possessed the highest contents of 11polyphenols,while the freeze drying cress showed the lowest.After drying,caffeic acid began to form in the polyphenols of cress.After air drying,luteolin was completely degraded.Compared with fresh cress,air drying and vacuum drying enhanced the contents of 11polyphenols in stem,carvol and apigenin contents exhibited the most obvious increase,while freeze drying reduced the contents of 11polyphenols.The drying process reduced the antioxidant capacity of polyphenols extracted from cress,the polyphenols from freeze-drying cress had the highest antioxidant ability,while the polyphenols from air drying cress was the lowest.Correlation analysis showed that apigenin,rutin,quercetin and gallic acid in 11 polyphenol components from cress were significantly related to the antioxidant capacity of polyphenols.
作者
齐晓花
陈国华
侯顺超
贾宝华
季正捷
李良俊
徐强
陈学好
千春录
QI Xiaohua;CHEN Guohua;HOU Shunchao;JIA Baohua;JI Zhengjie;LI Liangjun;XU Qiang;CHEN Xuehao;QIAN Chunlu(College of Horticulture and Plant Protection,Yangzhou University,Yangzhou 225009,China;College of Food Science and Engineering,Yangzhou University,Yangzhou 225127,China;Jiyuan Institute of Agricultural Sciences,Jiyuan 459000,China)
出处
《扬州大学学报（农业与生命科学版）》
CAS
北大核心
2020年第6期90-95,共6页
Journal of Yangzhou University：Agricultural and Life Science Edition
基金
江苏省基础研究计划(自然科学基金)-青年基金项目(BK20140483)
中国博士后科学基金面上项目(2014M560451)。
关键词
水芹
干燥方式
多酚组分
抗氧化能力
Oenanthe javanica D.C.
drying methods
polyphenol ingredient
antioxidant ability
作者简介
齐晓花(1982—),女,河南濮阳人,扬州大学副教授,主要从事蔬菜品质改良研究。;通信作者:千春录,扬州大学副教授、博士,主要从事果蔬加工研究。E-mail:clqian@yzu.edu.cn。
