The term  “Food fraud” is used to encompass the deliberate and intentional substitution, addition, tampering or misrepresentation of food, food ingredients, or food
packaging; or false or misleading statements made about a product, for economic gain. (Definition from here).

 Operation OPSON is a Europol INTERPOL joint operation targeting fake and substandard food and beverages. 

Food fraud is a criminal activity. The figures for Opson VIII  are staggering.

Read more here.