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 The US version is packaged differently from the British version, coming in a dark bottle with a beige label and wrapped in paper. Lea & Perrins USA claims this practice is a vestige of shipping practices from the 19th century, when the product was imported from England, as a measure of protection for the bottles. The producer also claims that its Worcestershire sauce is the oldest commercially bottled condiment in the US. The original ingredients of bottle of Worcestershire sauce sold were: The "spice" and "flavourings" are believed to include cloves, soy sauce, lemons, pickles and peppers. Notes from the