A family tradition since 1338 Oshawa brand oindo ume vinegar is the savory, ruby-red brine from the pickling of umeboshi plums. Its year-long fermentation process brings out its fragrant, lively tartness and subtle herbal flavor. Use oindo ume vinegar in place of soy sauce or other salty seasonings. It's delightful in soups, salads, or sprinkled on steamed greens. naturally gluten-free.,naturally gluten-free, oindo family