柿子醋在体外及模拟人体胃肠环境中的抗氧化活性研究  

Study on antioxidant activities of persimmon vinegar in vitro and in simulated human gastrointestinal environment

作　　者：李秀萍 程浩 郑如燕 黄雪花 李楠[2] LI Xiuping;CHENG Hao;ZHENG Ruyan;HUANG Xuehua;LI Nan(Yibin Vocational&Technical College,Yibin 644003;College of Life Science and Technology,Guangxi University,Nanning 530004;Guangxi Yipu Detection Technology Co.,Ltd,Nanning 530007)

机构地区：[1]宜宾职业技术学院,宜宾644003 [2]广西大学生命科学与技术学院,南宁530004 [3]广西益谱检测技术有限公司,南宁530007

出　　处：《中国食品添加剂》2022年第5期30-35,共6页China Food Additives

基　　金：2017年南宁市高层次创业创新人才资助项目(健康产业的质量安全创新技术服务项目);宜宾职业技术学院重点项目:新型果醋研发及其活性研究(21ZRZD-05)。

摘　　要：以市售柿子醋为对照,对桂林月柿柿子醋体外及模拟人体胃肠环境中的抗氧化活性进行了研究。经检测发现,桂林月柿柿子醋的总酚和黄酮含量分别为561.5±3.6mg/L、543.3±5.6mg/L,明显高于市售柿子醋的。此外,与市售柿子醋和抗坏血酸相比,桂林月柿柿子醋具有较高的总还原力,对ABTS+自由基、超氧阴离子、DPPH自由基和羟基自由基都具有很强的清除能力,从而表现出很强的抗氧化活性。经模拟人体胃肠环境消化后,桂林月柿柿子醋的总酚和黄酮含量都会降低,且最大降低幅度发生在模拟肠液消化后,但其仍然保留部分清除自由基的抗氧化能力。研究结果表明,桂林月柿柿子醋在体外及模拟人体胃肠环境中有很强的抗氧化活性,该柿子醋具有很高的应用价值,可作为一种新型的健康饮品。The antioxidant activities of Guilin persimmon vinegar in vitro and in simulated human gastrointestinal environment were studied using a commercial persimmon vinegar as the control.Tests revealed that total phenolic and flavonoid contents of Guilin persimmon vinegar were 561.5±3.6mg/L and 543.3±5.6mg/L,respectively,which were significantly higher than those in commercial persimmon vinegar.In addition,compared with commercially available persimmon vinegar and ascorbic acid,Guilin persimmon vinegar had higher total reducing power and strong scavenging ability on ABTS+free radical,superoxide anion,DPPH free radical and hydroxyl free radical.It shows super strong antioxidant activity.After digestion in simulated human gastrointestinal environment,the contents of total phenols and flavonoids in Guilin persimmon vinegar decreased,and the maximum reduction occurred after digestion in simulated intestinal environment,but it still retained part of free radicals scavenging ability.The results showed that Guilin persimmon vinegar had strong antioxidant activity in vitro and in simulated human gastrointestinal environment.The persimmon vinegar has a high application value since it can be used as a new type of health drink.

关 键 词：柿子醋 抗氧化活性 体外模拟 模拟胃肠消化 

分 类 号：TS202.1[轻工技术与工程—食品科学]