For the cheesy color in its frozen vegetable sides or its Orville Redenbacher popcorn, Conagra uses annatto, a plant extract. But some of Conagra’s products still rely on synthetic colors.

For the cheesy color in its frozen vegetable sides or its Orville Redenbacher popcorn, Conagra uses annatto, a plant extract. But some of Conagra’s products still rely on synthetic colors.

For the cheesy color in its frozen vegetable sides or its Orville Redenbacher popcorn, Conagra uses annatto, a plant extract. But some of Conagra's products still rely on synthetic colors.