Crohn's Disease & Ulcerative Colitis Support Group
Crohn's disease is a systemic inflammatory bowel disease (IBD) of unknown cause, that results in chronic inflammation of the intestinal tract. It can affect the entire gastrointestinal tract from mouth to anus, and can also cause complications outside of the gastrointestinal tract. There is no known medical or surgical cure for Crohn's disease, but there are many medical...
Fructose - the silent trigger!
lucidbarrier
I was going to lunch with my girlfriend to a local subshop and I got the steak and cheese sub. Very bland, nothing on it except for the steak and cheese. Being very dehydrated, I went and filled the 32oz cup with Powerade twice, downing it without really thinking about it.
About an hour and a half later I was having really bad bloody diahrrea and it dawned on me that maybe the fructose in the drink triggered a bad flare. I came across a book my dad bought me, called the "Self Help Way To Treat Colitis and Other IBS Conditions" and in it the doctor describes the mechanism in which we IBD suffers consume fermentable sugars that the bacteria eat and create irritating byproducts.
I have since gone cold turkey off of anything with high fructose corn syrup and am feeling tremendously better. I already know that i do not make the appropriate enzyme for digesting milk sugar (lactose) and probably do not make the enzyme insufficient quantity to absorb fructose either.
There are essentially three main sugars: sucrose, glucose and then fructose. Glucose is animal and plant sugar and is readily taken up directly into the bloodstream. Fructose is commonly found in honey and fresh fruits. (HFCS is synthetically made and is basically synthetic honey.) Sucrose is glucose + fructose, and can be relatively easily converted into its components and absorbed into the bloodstream. Fructose by itself seems to be a problem sugar, it has to be converted to glucose first before the body can use it. The remaining fructose is then dumped into the colon. Lactose is glucose + galactose.
Some fun facts about fructose:
- its 3x more sweet than sucrose (table sugar),
- HEALTHY people can digest up to 25 grams of fructose a day
- undigested fructose is digested by colon bacteria and it can create alcohols, lactic acid and acetic acid, which all irritate the colon!
- there is no enzyme supplement like Lactase available but consuming dextrose (glucose) with fructose can help the absorption process
-up to 30% of the population suffer from Dietary Fructose Intolerance (see http://www.uihealthcare.org/Clinic.aspx?id=3537)
Also, if you notice, when fructose is consumed with glucose, it is more favorably absorbed for some reason. If you do intend to consume a fruit, make sure that the glucose to fructose ratio is high. Fruits like oranges and apples have a low ratio, making them harder to digest, and yet we eat them anyway.
Anyone else identified fructose as a potential trigger?
About an hour and a half later I was having really bad bloody diahrrea and it dawned on me that maybe the fructose in the drink triggered a bad flare. I came across a book my dad bought me, called the "Self Help Way To Treat Colitis and Other IBS Conditions" and in it the doctor describes the mechanism in which we IBD suffers consume fermentable sugars that the bacteria eat and create irritating byproducts.
I have since gone cold turkey off of anything with high fructose corn syrup and am feeling tremendously better. I already know that i do not make the appropriate enzyme for digesting milk sugar (lactose) and probably do not make the enzyme insufficient quantity to absorb fructose either.
There are essentially three main sugars: sucrose, glucose and then fructose. Glucose is animal and plant sugar and is readily taken up directly into the bloodstream. Fructose is commonly found in honey and fresh fruits. (HFCS is synthetically made and is basically synthetic honey.) Sucrose is glucose + fructose, and can be relatively easily converted into its components and absorbed into the bloodstream. Fructose by itself seems to be a problem sugar, it has to be converted to glucose first before the body can use it. The remaining fructose is then dumped into the colon. Lactose is glucose + galactose.
Some fun facts about fructose:
- its 3x more sweet than sucrose (table sugar),
- HEALTHY people can digest up to 25 grams of fructose a day
- undigested fructose is digested by colon bacteria and it can create alcohols, lactic acid and acetic acid, which all irritate the colon!
- there is no enzyme supplement like Lactase available but consuming dextrose (glucose) with fructose can help the absorption process
-up to 30% of the population suffer from Dietary Fructose Intolerance (see http://www.uihealthcare.org/Clinic.aspx?id=3537)
Also, if you notice, when fructose is consumed with glucose, it is more favorably absorbed for some reason. If you do intend to consume a fruit, make sure that the glucose to fructose ratio is high. Fruits like oranges and apples have a low ratio, making them harder to digest, and yet we eat them anyway.
Anyone else identified fructose as a potential trigger?
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@bart4u - Best of luck.
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Congrats on kicking sugar! That's my main dietary issue.
I was curious so I looked up the fructose content. I found a wiki about fructose malabsorbtion (I guess some people can't absorb as much fructose as others). I guess it can be tested for.
Ironically, stone fruit are recommended for people with fructose issues, haha. So I guess that's not the cause for that particular sensitivity of mine! But it's still fascinating and frustrating to me how complicated the digestive system is and how hard it is to decipher our symptoms. The more I learn, the more ignorant I become.
Plums and apricots have the best glucose to fructose ratio of any of the fruits I looked at. If you inadvertantly eat something with fructose, the only thing that I could find to help is to eat dextrose (glucose) so the body tries to absorb both. Hopefully, they will find an enzyme soon that you could take like Lactaid.
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