Phu quoc fish sauce waters around The island are rich in seaweed and plankton which provide food for the anchovy population. However, it only since the late 1950s that the product has been recognized outside of its home island, reaching its zenith of popularity between 1965 and 1975. With increasing government subsidies of many industries in the period from 1975 to 1985, the local fish sauce craft lost market share to larger competitors, but in recent years, the popularity of the authentic Phu Quoc product has been rebounding. In 2012, Phu Quoc fish sauce was granted a European Union Protected Designation of Origin (PDO)
Soy sauce sauce"), and "guk-ganjang" (, "soup soy sauce"). The homebrewed variety is also called "jip-ganjang" (, "home soy sauce"). Depending on the length of aging, "hansik ganjang" can be divided into three main varieties: clear, middle, and dark. Korean Ministry of Food and Drug Safety's Food Code classifies "hansik-ganjang" into two categories by their ingredients. "Gaeryang-ganjang" (, "modernized soy sauce"), referring to varieties of soy sauces not made of meju, is now the most widely used type of soy sauce in modern Korean cuisine. The word "ganjang" without modifiers in bokkeum (stir-fry), jorim (braised or simmered dishes), and jjim (steamed dishes)