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 vine pull schemes. A large part of this glut is caused by the re-emergence of Languedoc wine. Immune from these problems has been the market for Champagne as well as the market for the expensive ranked or classified wines. However, these constitute only about five percent of French production. French regulations in 1979 created simple rules for the then-new category of Vin de pays. The Languedoc-Roussillon region has taken advantage of its ability to market varietal wines. L'Office national interprofessionnel des vins, abbreviated ONIVINS, is a French association of vintners. French wine French wine is produced all throughout France, in