The pickling brine from making umeboshi plums with sea salt and red shiso, aka beefsteak leaf, that impart its ruby red color. A tart, salty, festive condiment with beneficial organic acids. Sprinkle on blanched or steamed vegetables, add to salad dressings, marinades, hot sauce, salsa, and dips. Excellent for making pickles. 4.3% acidity. No artificial dyes, preservatives, or chemicals.