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Saturday, May 18, 2013
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MNN.COM › Food › Healthy Eating
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    What's this?
Is eating burned food bad for you?
You might want to step away from the charred toast and the overzealously grilled chicken.

By

Chanie Kirschner
Sun, Apr 01 2012 at 5:23 PM
 5

Related Topics:

Toxins & Chemicals, Food Safety, Viruses & Diseases
Is eating burned food bad for you? It could be.
 
Growing up in my house, eating burned food was par for the course. Even if you burned your toast, for example, it had to be consumed; otherwise it was considered terribly wasteful. “Heaven forbid should you throw that bread out. Don’t you know there are starving children in Africa?” my mother would say. And so I would finish every last bite of my burned toast, or charred pizza, or singed French fries (yeah, I was a little absent-minded when it came to remembering my food in the toaster oven.)
 
But now, there’s evidence that suggests that eating all that burned food could actually be bad for you. Back in 2007, a Dutch study was done that showed an increased risk of cancer in women who were exposed to the chemical acrylamide — which forms on fried or baked foods, especially when those foods are burned. The study found that women who ate 40 micrograms of acrylamide a day (equivalent to say, a bag of potato chips) had double the cancer risk of women who ate the lowest amount of the chemical.
 
So what is this chemical acrylamide anyway? Acrylamide is a chemical that is can be used in the manufacturing of paper and plastic, and is often found in products like caulk and food packaging. Alarmingly, though, acrylamide is also found in certain foods that have been prepared at a very high temperature — i.e. food that was fried, grilled or broiled. It’s found more in starchy products like bread and potatoes. How come? An amino acid called asparagine found in these foods forms acrylamide when heated at a very high temperature.
 
Another concern is the HCAs (heterocyclic amines) that form on chicken and meat when grilled over a high flame. HCAs have also been linked to cancer in animals, though research in humans is still limited.
 
It should be noted that the FDA does not regulate the amount of HCAs or acrylamide in food, so it is up to you to lessen your exposure.
 
So no more French fries, you say? Ever? (Gulp.) Well, you don’t necessarily need to cut them out altogether, but there is research that suggests that eating home-cooked food in general will help you consume less acrylamide than eating processed food. Shocker! Fast food isn’t the best thing for you!
 
Other things you can do to reduce your exposure? Cook things like potatoes to a light golden color as opposed to a toasty brown. Same goes for toast. You can also wash or soak vegetables before cooking them because this may reduce the amount of acrylamide that forms during cooking.
 
To reduce the amount of HCA exposure, you can eat less grilled meat, or take off the skin of things like chicken before eating, which was found to have much higher amounts of HCA than the chicken itself.
 
Bottom line, folks? It won’t be long until we find out that there are potentially toxic ingredients in almost everything we consume. The best thing you can do is eat a healthy, well-balanced diet.
 
— Chanie
 
You can submit a question to Mother Nature, and one of our many experts will track down the answer. Plus: Visit our advice archives to see if your question has already been tackled.
 
Photo: The Treacys/Flickr; thumbnail: Chiot's Run/Flickr; MNN tease photos of burnt toast via Shutterstock

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Comments: 5
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lovelivelife's picture
lovelivelife Apr 02 2012 at 10:28 AM

Ahh burnt marshmellos....heaven.

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anonymous
Tomsan Apr 02 2012 at 10:20 AM

This is just further proof that food is poison, Did you know that 100% of people who consume food die at some point in their lives? It's true look it up.

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anonymous
Guest Apr 02 2012 at 11:53 AM

Thanks for the laugh.

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rbts01's picture
rbts01 Apr 02 2012 at 9:34 AM

....but burnt carrots are soooo good

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anonymous
Jeneen Apr 02 2012 at 7:12 AM

Dad said eating burnt toast put hair on your chest. He would say that to me and my sister. Cute.

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