Group 1. Acid. Examples: Inferior Bordeaux and Burgundies, Wines from North of Portugal.
Group 2. Astringent. Examples: Superior Bordeaux and Burgundies, Collares from Portugal.
Division B. White.
Group 1. Simple Flavour. Example: Rhine Wines.
Group 2. Complex Flavour. Example: Bucellas of Portugal.
Class II.—Transition Wines.
Alcohol and sugar perceptible. Taste astringent. Flavour complex.
Division A. Red. Examples: Many Spanish and Portuguese wines.
Division B. White. Examples: Many Spanish and Portuguese wines.