Acidity 6%. Leaves. Barengo: Learn about the leaf system, a new, certified grading system that identifies the different qualities of balsamic vinegar of modena. Two leaves: Identifies a round and brisk taste, and a delicate aroma. Suggested usage inside. Savor the flavor. Often cited as the secret ingredient of culinary connoisseurs around the world this 2 leaf Barengo Balsamic Vinegar of Modena Italy adds a delightful tart freshness and delicate aroma to your courses. Bringing forever to life. Made in Modena from selected grapes, mixed with experience by our cellar masters. Successively, it is aged in large wooden vats for various lengths of time depending on the characteristics of each starting blend. The dominant wood type is fine oak, from Central Europe, that adds flavors, roundness, and body.