Worcestershire sauce 1800s were found dumped in a skip in 2009 by company accountant Brian Keogh. The documents are to be placed on display at the Worcester City Art Gallery & Museum. Anchovies in many Worcestershire sauces is a concern to people allergic to fish, vegans, other vegetarians and others who avoid eating fish. The "Codex Alimentarius" recommends that prepared food containing Worcestershire sauce with anchovies include a label warning of fish content although this is not required in most jurisdictions. The US Department of Agriculture has forced the recall of some products with undeclared Worcestershire sauce. Several brands sell anchovy-free varieties
Fish sauce For modern fish sauces, fish or shellfish is mixed with salt at a concentration of 10% to 30%. It is then sealed in a closed container for up to two years. Once the original draft has been made, some fish sauces will be produced through a re-extraction of the fish mass via boiling. To improve the visual appearance and add taste, second-pass fish sauces often have added caramel, molasses, or roasted rice. They are thinner, and less costly. Some volume manufacturers of fish sauce will also water down a first-press to manufacture more product. Fish sauce that has been only