British Fermentation Products Ltd v Teal The appellants were the manufacturers of a product which they described as egg substitute. A sample was purchased at a retail shop by an inspector, who informed the retailer that he was purchasing the sample for analysis and, in the retailer’s presence, the inspector divided the sample into three parts, one of which he left with the retailer, the second he transmitted to the public analyst, and the third he retained as required by the Food and Drugs Act 1938, s 70.