The best quality balsamic vinegar can be over 100 years old but is more commonly sold at three to four years of age. True balsamic vinegars are very expensive but have an exceptional flavour.
Ordinary balsamic vinegar is made by mixing regular wine vinegar with colouring, caramels and occasionally thickeners to resemble the more expensive ABT. This doesn't mean it's a "bad" product ...
In the United States, vinegar products must contain a minimum of 4 ... regional foods according to well-established customs. The balsamic vinegar of Modena, Italy, is made from the local white ...