Food coloring has no taste and should not affect the taste of the food. However, the color of a food can impact psychology and make people think the food tastes different, even when, objectively, it...
Well I think how food coloring affects the body is by the ingredients found in food coloring that affects your immune system, and some of your organs, and parts of the brain itself.
The food colouring itself does not have any affect on the growth of the plant, it does however colour or "stain" the tissues of the plant - sometimes making them easier to see under a microscope. If...