After an outcry over the use of ‘pink slime’ in restaurants, leading fast-food chains promised to stop using the chemically treated meat.
But the ammonia-infused beef is not yet off American dinner tables, as it has been revealed that 70 per cent of supermarket mince contains the substance.
And the use of pink slime is also set to extend to children’s meals, as the federal government plans to buy 7million pounds of the meat to serve in U.S. schools.