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Health


RED 40 FOOD DYE IN SKITTLES, DORITOS AND MORE TRIGGER BOWEL DISEASES: STUDY

By Brooke Steinberg and Hannah Sparks

December 21, 2022 | 3:57pm

Maybe don’t “taste the rainbow.”


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A new study published in the journal Nature Communications has revealed that a
common red dye in food can increase the risk of inflammatory bowel diseases,
which affect some three million Americans, according to the Crohn’s and Colitis
Foundation.

The additive, denoted as Red 40 or Allura red on ingredients label, is the most
prevalent dye used in many popular snacks and drinks, including Skittles,
Doritos and Pepsi, as well as some cosmetics.

While the use of food coloring has increased over the years, studies on its
effect in the gut are few thus far.

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“What we have found is striking and alarming, as this common synthetic food dye
is a possible dietary trigger for IBDs,” said McMaster University researcher
Waliul Khan, the study’s senior author, in a statement. “This research is a
significant advance in alerting the public on the potential harms of food dyes
that we consume daily.”

The Ontario, Canada, team studied a group of mice fed high doses of Red 40 for
12 weeks — which researchers claimed was an appropriate model for humans in
Western countries, where food coloring is typically a large part of people’s
diets.

Doritos contain dyes Red 40, Blue 1 and Yellow 5.Moment Editorial/Getty Images

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More specifically, they analyzed markers of common synthetic colorants in
neuroendocrine intestinal cells, which play a roll in symptoms of gut
inflammation, such as abdominal pain, bloating, diarrhea, dehydration and bloody
stool.

They found that mice who consumed the largest amounts of Red 40 showed increased
levels of serotonin — which helps regulate gut muscle movements and nutrient
uptake — and interfered with healthy bacteria in the colon, leading to
inflammation and ulcers of the digestive tract.

Researchers believe too much Red 40 could hurt children especially.Getty
Images/iStockphoto

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SEE ALSO


IRRITABLE BOWEL SYNDROME LINKED TO MORE MICROPLASTICS IN THE GUT

A human would need to consume a higher-than-recommended amount of the dye in
order to produce the same results reported in the mice. However, even in
achievable concentrations, researchers believe the biological imbalance caused
by the introduction of Red 40 could make the body more susceptible to illness,
in the gut and beyond.

“These findings have important implications in the prevention and management of
gut inflammation,” said Khan.

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“The literature suggests that the consumption of Allura Red also affects certain
allergies, immune disorders and behavioral problems in children, such as
attention deficit hyperactivity disorder (ADHD),” he added.

What do you think? Post a comment.

The Food and Drug Administration has a set limit on the amount of food coloring
that can be used in food and cosmetics, while the recommended daily intake is no
more than 3.2 milligrams per pound of a person’s body weight.

For perspective, Red 40 in juice drinks alone contributes up to 9% of the
acceptable daily intake for kids of an average weight aged 6 to 10 years old. A
2014 study in the journal Clinical Pediatrics found that just one serving of
Kool-Aid’s Burst Cherry drink contains more than 50 mg of various dyes.


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Filed under candy ,  chrohns disease ,  diseases ,  fda ,  food safety ,  junk
food ,  soda ,  12/21/22
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