Acetaia San Giacomo Beer Vinegar should actually be called malt vinegar. In short, the acetification process starts from cooked malt must, which, instead of fermenting to become beer, is acetified. It is a special product, since it is produced slowly, with very limited yield.
Tasting Notes
Acetaia San Giacomo Beer Vinegar features malt, spices and citrus aromas, given by the original beer, with a low and pleasant acidity.