Application of Differential Colorimetry To Evaluate Anthocyanin-Flavonol-Flavanol Ternary Copigmentation Interactions in Model Solutions

被引：58

作者：

Gordillo, Belen ^{[1
]}

Rodriguez-Pulido, Francisco J. ^{[1
]}

Lourdes Gonzalez-Miret, M. ^{[1
]}

Quijada-Morin, Natalia ^{[2
]}

Rivas-Gonzalo, Julian C. ^{[2
]}

Garcia-Estevez, Ignacio ^{[2
]}

Heredia, Francisco J. ^{[1
]}

Teresa Escribano-Bailon, M. ^{[2
]}

机构：

[1] Univ Seville, Fac Farm, Dept Nutr & Food Sci, Food Colour & Qual Lab, E-41012 Seville, Spain

[2] Univ Salamanca, Fac Farm, Grp Invest Polifenoles, E-37008 Salamanca, Spain

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2015年 / 63卷 / 35期

关键词：

ternary copigmentation; malvidin-3-glucoside; (+)-catechin; quercetin-3-beta-D-glucoside; differential colorimetly; RED WINES; WARM CLIMATE; GRACIANO VARIETIES; PHENOLIC-COMPOUNDS; COLOR EXPRESSION; SYRAH WINES; TEMPRANILLO; MACERATION; STABILITY; 3-GLUCOSIDE;

D O I：

10.1021/acs.jafc.5b00181

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The combined effect of anthocyanin-flavanol-flavonol ternary interactions on the colorimetric and chemical stability of malvidin-3-glucoside has been studied. Model solutions with fixed malvidin-3-glucoside/(+)-catechin ratio (MC) and variable quercetin-3-beta-D-glucoside concentration (MC+Q) and solutions with fixed malvidin-3-glucoside/quercetin-3-beta-D-glucoside ratio (MQ) and variable (+)-catechin concentration (MQ+C) were tested at levels closer to those existing in wines. Color variations during storage were evaluated by differential colorimetry. Changes in the anthocyanin concentration were monitored by HPLC-DAD. CIELAB color-difference formulas were demonstrated to be of practical interest to assess the stronger and more stable interaction of quercetin-3-beta-D-glucoside with MC binary mixture than (+)-catechin with MQ mixture. The results imply that MC+Q ternary solutions kept their intensity and bluish tonalities for a longer time in comparison to MQ+C solutions. The stability of malvidin-3-glucoside improves when the concentration of quercetin-3-beta-D-glucoside increases in MC+Q mixtures, whereas the addition of (+)-catechin in MQ+C mixtures resulted in an opposite effect.

引用

页码：7645 / 7653

页数：9

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