Wine color practice of saignée (exposing wine to red grape skins for only a short period of time in order to give it a lighter feel closer to that of white wine) or by blending a white wine with a red wine. The presence of a complex mixture of anthocyanins and procyanidins can increase the stability of color in wine. As it ages, the wine undergoes chemical autoxidation reactions involving acetaldehyde of its pigments molecules. The newly formed molecules are more stable to the effect of pH or sulfite bleaching. The new compounds include pyranoanthocyanins like vitisins (A and B), pinotins and
French wine French wine like blanquette de Limoux, the world's oldest sparkling wine, and international styles while using lessons from the New World. Much Languedoc-Roussillon wine is sold as Vin de Pays d'Oc. Loire valley is a primarily white-wine region that stretches over a long distance along the Loire River in central and western France, and where grape varieties and wine styles vary along the river. Four sub-regions are situated along the river: Normandy is not an official wine region anymore. Yet it has a rich history related to grapegrowing and winemaking and has recently been demonstrating a revival of its .