研究报告

基于CIELab参数的葡萄酒基本花色苷与原儿茶酸的辅色评估

  • 李宁宁 ,
  • 张波 ,
  • 牛见明 ,
  • 史肖 ,
  • 闫浩凯 ,
  • 韩舜愈
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  • 甘肃农业大学 食品科学与工程学院,甘肃省葡萄与葡萄酒工程学重点实室,甘肃省葡萄与葡萄酒产业技术研发中心,甘肃 兰州,730070
硕士研究生(韩舜愈教授为通讯作者,E-mail:gsndhsy@163.com)。

网络出版日期: 2019-09-03

基金资助

国家自然科学基金地区科学基金项目(31560451);甘肃省商务厅葡萄酒产业发展专项资金项目(2017010);甘肃省葡萄与葡萄酒工程学重点实验室开放课题项目(GSPTJ-2017-03)

Evaluation of copigmentation of basic wine anthocyanins and protocatechuic acid based on CIELab parameters

  • LI Ningning ,
  • ZHANG Bo ,
  • NIU Jianming ,
  • SHI Xiao ,
  • YAN Haokai ,
  • HAN Shunyu
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  • Gansu Key Laboratory of Viticulture and Enology, Research and Development Center of Wine Industry in Gansu Province,College of Food Science and Engineering, Gansu Agricultural University, Lanzhou 730070, China

Online published: 2019-09-03

摘要

模拟体系下采用CIELab方法对常见的5种单体花色苷辅色后的模拟溶液颜色变化进行了测定,用以研究不同结构花色苷在反应后的色泽特征和变化特点。试验发现,添加原儿茶酸的溶液可拥有更低的亮度、更高的红色值和视觉饱和度,并在高浓度条件下有明显的视觉差别。同时,在相同条件下,反应溶液的颜色变化与花色苷B环上的基团种类和数量有关,具有较多甲氧基基团的花色苷反应效果突出。该试验从颜色分析角度对不同结构花色苷参与的辅色反应进行了分析,对明晰不同结构花色苷辅色后的呈色特征,深入研究辅色反应机理提供数据参考。

本文引用格式

李宁宁 , 张波 , 牛见明 , 史肖 , 闫浩凯 , 韩舜愈 . 基于CIELab参数的葡萄酒基本花色苷与原儿茶酸的辅色评估[J]. 食品与发酵工业, 2019 , 45(15) : 44 -52 . DOI: 10.13995/j.cnki.11-1802/ts.020565

Abstract

As researches on copigmentation by different kinds of anthocyanins were limiting, CIELab method was used to investigate the color changes in simulated solution after copigmentation respectively with five common monoanthocyanins. The results showed that the solution supplemented with protocatechuic acid possessed lower brightness, higher red value and visual saturation and showed significant visual differences at high concentration. It was also found that the color change was related to the type and number of groups on the anthocyanin B ring and the effect was more outstanding for anthocyanins with more methoxy groups. This experiment provides reference for clarifying the coloration characteristics after copigmentation by different anthocyanins, as well as for studying the mechanisms of copigmentation

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