Criticism and Health Implications
Though past research showed no correlation between attention-deficit hyperactivity disorder (ADHD) and food dyes, new studies now point to synthetic preservatives and artificial coloring agents as aggravating ADD and ADHD symptoms, both in those affected by these disorders and in the general population. Older studies were inconclusive, quite possibly due to inadequate clinical methods of measuring offending behavior. Parental reports were more accurate indicators of the presence of additives than clinical tests. Several major studies show academic performance increased and disciplinary problems decreased in large non-ADD student populations when artificial ingredients, including artificial colors, were eliminated from school food programs.
- Norway banned all products containing coal tar and coal tar derivatives in 1978. New legislation lifted this ban in 2001 after EU regulations.
- Tartrazine causes hives in less than 0.01% of those exposed to it.
- Erythrosine is linked to thyroid tumors in rats.
- Cochineal, also known as carmine, is derived from insects and therefore is not vegan, vegetarian or kosher.
This criticism originated during the 1950s. In effect, many foods that used dye (such as red velvet cake) became less popular.
Brilliant Blue (BBG) food coloring was cited in a recent study in which rats that had suffered a spinal injury were given an injection of the dye immediately after the injury, and were able to regain or retain motor control. BBG helps protect spine from ATP (adenosine triphosphate), which the body sends to the area after a spinal injury, which further damages the spine by killing motor neurons at the site of the injury.
Besides，a science research by King Feisal University point that the use of synthetic color in various foods has adverse effect on some of biochemical analysis; and the liver and kidney histopathological structure.
Read more about this topic: Food Coloring
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