PROCESS FOR THE MANUFACTURE OF A DIETARY PASTE BASED ON VEGETABLE MILK CURDS WHICH IS ENRICHED WITH A DIETARY SUPPLEMENT AND DIETARY PASTE THUS OBTAINED
To mark an area of interest (10) in a target medium (9), an initially inactivated and ultrasound-activatable optical marker is added to the medium, and then an ultrasound activation beam is emitted, being focused on the area of interest in order to locally activate the marker, which then colors the area of interest.