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)
Worcestershire sauce October 1897, Lea & Perrins relocated manufacturing of the sauce from their pharmacy to a factory in the city of Worcester on Midland Road, where it is still made. The factory produces ready-mixed bottles for domestic distribution and a concentrate for bottling abroad. In 1930, the Lea & Perrins operation was purchased by HP Foods, which was in turn acquired by the Imperial Tobacco Company in 1967. HP was sold to Danone in 1988 and then to Heinz in 2005. Due to a shortage during World War II, Lea and Perrins switched from using soy sauce to hydrolyzed vegetable protein.