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
Tonkatsu sauce Tonkatsu sauce Tonkatsu sauce is a thick sauce commonly served over tonkatsu (breaded deep-fried pork cutlets). It is a high concentration version of Worcestershire sauce in Japan. It is determined by the JAS standard, over 2.0 Pa.s. The first Tonkatsu sauce was made in 1948 by Oliver Sauce Co., Ltd. of Hyogo Prefecture. While generally similar to a traditional brown sauce, it is vegetarian. The Bull-Dog brand of tonkatsu sauce, for example, is made from malt vinegar, yeast, and vegetable and fruit purees, pastes, and extracts. Currently, The most popular packaged condiment in eastern Japan is Bull-Dog sauce Co., Ltd