Fish sauce are made with anchovies, mackerel, scabbard fish and salt. The bigger the fish, the more mercury you might expect, especially if predator fish like scabbard fish. They do not have any additives like sugar, hydrolyzed protein, or preservatives. Vietnamese prefer sauces without a strong smell, and transparent with a deep golden amber color. "First press" fish sauce, meaning the sauce is bottled from the first time the fermenting barrels are drained, also indicates quality. Lastly, when measuring the nitrogen level of fish sauces (N), most fish sauce on the market falls within the mid 20N range. Anything over 30N is
Worcestershire sauce while in India with the East India Company in the 1830s, and commissioned the local apothecaries to recreate it. According to company tradition, when the recipe was first mixed there the resulting product was so strong that it was considered inedible and the barrel was abandoned in the basement. Looking to make space in the storage area a few years later, the chemists decided to try it again, and discovered that the long fermented sauce had mellowed and was now palatable. In 1838 the first bottles of "Lea & Perrins Worcestershire sauce" were released to the general public. On 16