The chair of the House of Commons Environment, Food and Rural Affairs Committee, Anne McIntosh, said that she would not eat processed foods labelled as beef.
She urged consumers to buy local, in order to be confident of the source of their meat.
Asked if she would eat a beef processed meal, Miss McIntosh told BBC Radio 4's Today programme: "No, and I think the message is to go out and buy your food as locally as you can so you know where the beef is coming from."
A leading food scientist says the rule change that sparked the horsemeat beef scandal affected lamb products too, and they should be tested.
Retailers and the Food Standards Agency held an emergency meeting today to decide how to proceed with the horsemeat scandal.
The government has called an emergency meeting with retailers and the Food Standards Agency to discuss the horsemeat scandal.