Vinegar · FFET10065
Duliu Mature Vinegar
Duliu mature-vinegar making is a national intangible heritage item, with the mash turned, sunned and aged for three years.
Mural guide
A large clay vat holds black vinegar, a big wooden ladle pours it into a small blue-and-white bowl, a plate of dumplings with scallion and a plate of dressed cucumber sit beside it, and a cloth-covered jar stands behind.
Vinegars brewed from grain or fruit, made by solid-state or liquid fermentation.
The national intangible-heritage entry lists Duliu mature-vinegar making as a Tianjin traditional craft, project VIII-61. It records liquid alcohol fermentation, two rounds of solid acetic fermentation and three years of sun-dried aging for the vinegar mash.