I tested several options, so you don't have to. For this experiment, I searched online for “natural green food coloring” to find some of the most popular options, then selected four plant ...

Now that the U.S. Food and Drug Administration has banned Red Dye No. 3, artificial food dyes are under increasing scrutiny.

Household bleach reacts with a solution of green food coloring to first oxidize the yellow component of the dye, leaving only the blue coloring. Eventually, the blue dye is also oxidized, and the ...

In the activity below, you can try chromatography to separate colors in a mixture of food coloring! Place a coffee filter on a tray or newspaper. In a small plastic cup, add 2 drops of green food ...