Certified Sommelier Practice Exam

What does the term "Denominacao de Origem Controlada" (DOC) signify in Portuguese wine?

1. A type of dessert wine

2. A classification for regional wines

3. A regulation for grape growing and wine production

4. A designation for vintage wines

The correct answer is: A regulation for grape growing and wine production

The term "Denominacao de Origem Controlada" (DOC) in Portuguese wine signifies a classification that regulates grape growing and wine production within a designated region. This designation ensures that wines adhere to specific standards, including grape varieties, production methods, and geographical boundaries. The primary purpose of the DOC system is to protect the integrity of the wines being produced, maintaining quality and promoting traditional practices associated with the region. The DOC designation is akin to other quality assurance systems found in wine-producing countries, such as the French AOC (Appellation d'Origine Contrôlée). It requires producers to follow strict guidelines, ensuring that the wine is characteristic of its designated area. This involves oversight on factors such as yield limits and aging requirements, which are vital in preserving the quality and reputation of wines from that region. While other choices refer to different aspects of wine classification or style, DOC specifically addresses the regulations and standards associated with wine production, making it the accurate interpretation of the term within the context of Portuguese wine.