Where does blue raspberry flavor come from?

There are lots of foods that are blue-raspberry flavored, like candy, popsicles, or fizzy drinks. But there’s no such thing as a blue raspberry…so where does that flavor come from? We asked food scientist Adam Johnson to help us find the answer. Got a TASTEful question? Send it to us at BrainsOn.org/contact , and we’ll do you a flavor and find the answer. See omnystudio.com/listener for privacy information.