The aggregation of malvidin 3-O-(6-O-p-coumaroyl) glucoside flavylium cation (OeninCoum) in water is reported. Intra and intermolecular interactions of OeninCoum were characterized by UV–vis absorption, ¹H NMR and circular dichroism (CD). Theoretical calculations were also performed to describe the intramolecular interactions. At higher temperature (>60 °C) the intermolecular aggregates are disrupted but CD signal attributed to an intramolecular interaction remains.

Moreover, the kinetic and thermodynamic data for Oenin and OeninCoum at 50 °C and 25 °C shows that the increase of temperature stabilizes the quinoidal base of this later.

二甲翠雀素3-聚集Ö（6- - Ö - p报道糖苷flavylium阳离子（OeninCoum）在水-coumaroyl）。OeninCoum的分子内和分子间相互作用以紫外可见吸收，¹ H NMR和圆二色性（CD）为特征。还进行了理论计算以描述分子内的相互作用。在更高的温度（> 60°C）下，分子间聚集体被破坏，但归因于分子内相互作用的CD信号仍然存在。

此外，Oenin和OeninCoum在50°C和25°C下的动力学和热力学数据表明，温度的升高稳定了后者的喹啉碱。