When it comes to the transition from artificial food and beverage colors to natural colors, the US is 15 years behind Europe. And there is a concerted, even frantic effort now to catch up.

That was my biggest takeaway from this month's BevTech conference, an annual gathering hosted by the International Society of Beverage Technologists. This is where the nation's beverage scientists go to discuss "The Science of the Sip," as this year's event was themed. The 350 professionals in attendance engineer and manage everything from ingredients to PET blow molding needed to get a drink from formula to shelf. I opened the conference with an overview of industry trends before taking in several presentations and a few extremely technical breakout sessions.

Right now, there isn't a major food and beverage company that isn't working on the shift...