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)
Soup soy sauce beliefs that they drive away evil spirits. As the fermentation progresses, the brine acquires flavour and colour. This aged brine is boiled to become soy sauce, and the rest (aged "meju" chunks) is mashed to become soybean paste. The Korean Ministry of Food and Drug Safety's "Food Code" classifies "hansik ganjang" into two categories by their ingredients: Depending on the length of aging, "hansik ganjang" can be divided into three main varieties: clear, middle, and dark. Soup soy sauce Guk-ganjang () or soup soy sauce is a type of Korean soy sauce ("ganjang") made entirely of fermented soybean ("meju") and