Look at a bottle of quality Italian wine, and it will no doubt have an adhesive on the stopper with the acronym DOC, DOCG or IGT. What’s the difference? These certifications are called menzioni tradizionali in Italian, which means their traditional characteristics make them worthy of official attention. In terms of legislation and protection, DOC and DOCG are connected to DOP certification, and the IGT to the IGP.
DOC (Denominazione di Origine Controllata) began in 1963 and is the oldest certification of its kind in Italy. The 1st DOC wine was Vernaccia di San Gimignano in 1966. The DOC label has been a fundamental part of the history of Italian wine, and the acronym has since become a term in Italy for anything of value or prestige.
DOCG (Denominazione di Origine Controllata e Garantita) is reserved for wines that have had the DOC certification for at least 5 years, and are particularly esteemed. It also expresses a strict identification of the product with its territory of origin. The 1st DOGC wine was Vino Nobile di Montepulciano in 1980.
Different from the origine controllata, the IGT (Indicazione Geografica Tipica) imposes less severe rules than the other two kinds of denominazione. IGT is usually granted to types of wine with more extensive production areas.