Kikkoman® Ponzu Citrus Seasoned Dressing & Sauce. 10 fl oz (296 ml). Ponzu is a seasoned Japanese soy sauce, accented with citrus. It has the perfect balance of salty, tangy and sweet to enhance the flavors of broiled meats, poultry, seafood or vegetables. Or, use ponzu as a sauce for sushi, sashimi, cubes of tofu or raw oysters. Kikkoman is a registered trademark of Kikkoman Corporation. Visit: www.kikkomanusa.com.