Amphora Iron Ages amphorae spread around the ancient Mediterranean world, being used by the ancient Greeks and Romans as the principal means for transporting and storing grapes, olive oil, wine, oil, olives, grain, fish, and other commodities. They were produced on an industrial scale until approximately the 7th century AD. Wooden and skin containers seem to have supplanted amphorae thereafter. They influenced Chinese ceramics and other East Asian ceramic cultures, especially as a fancy shape for high-quality decorative ceramics, and continued to be produced there long after they had ceased to be used further west. Besides coarse amphorae used for storage
Ancient Rome and wine enhance flavor, white wine might age on its lees, and chalk or marble dust was sometimes added to reduce acidity. Wines were often exposed to high temperatures and "baked," a process similar to that used to make modern Madeira. To enhance a wine's sweetness, a portion of the wine must was boiled to concentrate the sugars in the process known as "defrutum" and then added to the rest of the fermenting batch. (Columella's writings suggest that the Romans believed boiling the must acted as a preservative as well.) Lead was also sometimes used as a sweetening agent, but honey could