Traditionally the ume are dried and then preserved in a salt brine with purple perilla (shiso) leaves that add a bright red color. It flushes out body toxins and enhances the immune system. It prevents arteriosclerosis and slows down aging. Ithelps to improves the function of the liver, lungs and blood circulation, and helps to alleviate gout by effectively reducing uric acid. The citric acid of plum acts as an antibacterial and assists in digestion. In addition, the organic acid combat fatigue, improves gastritis and prevent stomach ulcers.