Phu quoc fish sauce Phu quoc fish sauce Phu Quoc fish sauce is a variety of fish sauce produced on Phu Quoc island in southwest Vietnam. Since 2001, the Industrial Property Department of the government of Vietnam has the name "Phu Quoc Fish Sauce" as a trademark, and only registered manufacturers are allowed to use the name in Vietnam. Such protection, however, does not extend worldwide. In 2012, Phu Quoc fish sauce was granted a European Union Protected Designation of Origin (PDO) status. Traditional Phi Quac fish sauce has been made solely out of fermented anchovies, salt, and water for over 200 years. The
Fish sauce considered high-grade, and 40N is optimal. "Nước chấm" is a Vietnamese prepared fish-based condiment (also referred to as a "sauce") that is savory, lightly sweet and salty tasting, and can be sour and spicy if lime and chili peppers are added. The main components are fish sauce, water, and sugar. "Nước mắm" is made much like fish sauce, except that it is not fermented as long, and the fish is kept along with its liquid extract, not just the extract. "Mắm" can be used as a base condiment in dipping sauces with additional ingredients or used in soups or stir-fries.