Is density an indicator of quality?

Density can be considered an indicator of quality if it is exclusively the result of the long ageing period required by the Specifications, and in this case it must be accompanied by intense aromas and a harmonious balance of sweet and sour notes on the palate, which are indicators of quality in Traditional Balsamic Vinegar of Modena P.D.O. If, on the other hand, as often occurs with imitation products, density is obtained through a process of concentration or by rapid evaporation, it is merely an indicator of sweetness.