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
Wine law in France to combat fraud. The French wine legislation later evolved to the AOC system, and inspired common European Union regulations. In the European Union (EU), much of the wine law is common to all countries through the European Union wine regulations which is a part of the Common Agricultural Policy (CAP). The CAP Wine Regime consists of a set of rules that govern the wine sector, with the aim of achieving a balanced and open market. The principal features are rules governing production, oenological practices and processes, classification of wines, a range of structural and support measures, detailed rules