Famous in Japan as a hangover cure, Ume - Japanese plums - are now being fed to prime cattle to produce what is claimed to be a less fatty beef. Produced in the Kansai region, Osaka Ume Beef is aimed at rivalling the nation's more famous beef brands Kobe and Matsusaka Beef and is the brainchild of a Ume wine producer who was looking at ways of using up plum pulp left over after wine making.