"Parmigiano Reggiano" and "Parmesan" are Protected Designations of Origin (PDO) for cheese produced in these provinces under Italian and European law.
Outside the European Union, the name "Parmesan" can be legally used for similar cheeses. The designation "Parmigiano Reggiano" refers only to the original Italian cheese.
From China, kombucha made its way to Japan (between 250 and 538).
A Korean doctor who reached Japan is believed to have cured the digestive problems of the emperor at the time with tea fermented with a special mushroom.