The results of various synthetic and natural food coloring are displayed inside a lab at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis., on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Candy using food coloring are displayed in a lab at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis., on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Technician Heather Browning pours a liquid color sample into a smaller container to be shipped to a customer at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis., on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Technician Heather Browning packages a color sample made of beet powder for a customer at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis., on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Sensient Technologies CEO Paul Manning speaks during an interview at a production facility for the color additive manufacturing company, in St. Louis., on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Bottles containing a variety of colored liquids sit on a shelf in a lab at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis., on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Containers of material wait in a warehouse for certification by the Food and Drug Administration at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis., on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Jobe Washington, right, and Dwight Brown use a large sifter to mix a shade of yellow coloring at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis, on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Senior Application Scientist Nicole Carey works in a lab to match food coloring at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis, on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Beet juice is seen on a mixing tank used in the making of coloring at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis, on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Abby Tampow works in a Sensient Colors laboratory in St. Louis on April 2, 2025. (AP Photo/Mary Conlon)
Liquid color samples are stored in bottles in a room at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis, on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Applications Scientist Anuj Bag watches candy spin inside a drum while being coated with yellow coloring as he demonstrates the process of developing new food colors at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis, on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Caleb Whorl pours a container of caramel coloring into a vat to be mixed before packaging at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis, on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
Natural food coloring is held in a jar in a lab at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis., on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
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The results of various synthetic and natural food coloring are displayed inside a lab at Sensient Technologies Corp., a color additive manufacturing company, in St. Louis., on Wednesday, April 2, 2025. (AP Photo/Jeff Roberson)
