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Wines are eligible to earn a maximum of five points on each of five specific aspects of quality.

In order to earn the Prestige de Loire designation, wines must be approved by a five-member tasting panel. Wine estates using the Prestige de Loire designation must strive to be certified as Haute Valeur Environnementale (“High Environmental Value”) within 5 years of the use of the mark.As such, these wines must be designated (or equivalent to) Brut Nature, Extra Brut, or Brut levels of sweetness. The wines must have 12 g/L or less of sugar (in some cases this may be increased to 15 g/L or less).Red grapes must be vinified in the style of a white wine. The allowed grape varieties are limited to Chenin Blanc, Cabernet Franc, Chardonnay, and Pinot Noir single-varietal and any combination in a blended wine is permitted.The total aging requirement for Prestige de Loire wines is raised to 24 months.

These include the use of the Traditional Method of sparkling wine production as well as a minimum of 9 months aging on the lees and a total of 12 months of aging in the bottle. Only fully sparkling white wines produced under the existing requirements of the Crémant de Loire, Saumur, Vouvray, Anjou, and Touraine AOCs are eligible.The specifications for attaining the Prestige de Loire designation are an interesting study in the parameters of high-quality sparkling wine production in the Loire Valley.