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Fructose intolerance

Wednesday 20 th November 2013

Fructose intolerance appears when there’s a malabsorption of fructose in the intestine. Fructose is then fermented by the gut flora and gas and other chemical harmful substances are created.
The most common symptoms are bloating and gas, tummy aches, and eventually, in the acute cases, diarrhea or constipation, heartburn, nausea and vomiting.
There is a respiratory test for diagnose of this intolerance, here you can find more information. 
If the result is positive, then it would be needed to avoid all the fructose-rich food: fruits, some vegetables, grains and sugars. In any case, the sensitivity is different for every person, and it can change depending on the days: stress, fatigue, etc.
Fructose intolerance use to be together with lactose and sucrose intolerance. So it’s better to test for these intolerances too when there’s a known fructose intolerance.

High-fructose fruits:
Apples, bananas, grapes, citrus fruits, cherries, mangoes, berries, pears, melon, watermelon, papaya, kaki, pineapple, quince.
In general, cooked fruits have a lower fructose content than fresh fruit.

Very high-fructose fruits:
Dried fruits: figs, apricots, peaches, prunes, raisins.

Low-fructose fruits: avocado, grapefruit, lemon and lime

Others: chestnut, sauces (sweet and sour sauce, molasses, barbecue sauce, ketchup, mayonnaise, salad dressings, ice-cream toppings), beverages and sweet alcoholic drinks, processed food (soups, frozen foods, breakfast cereals, canned foods, boxed dinners, bakery, cakes, energy bars)

Sweeteners: sugar, honey, high-fructose corn syrup, agave syrup, maple syrup.

Low-fructose sweeteners: stevia, rice syrup, artificial sweeteners. Even though these sweeteners are safer for people with fructose malabsorption, eating too much at once could still provoke gastrointestinal problems, so use them in moderation. Sugar alcohols, such as xylitol, sorbitol and maltose, do not contain fructose but often cause gastrointestinal symptoms in sensitive individuals

All products that contains fruits contains fructose: fruit juices, canned fruits, fruit jellies, jams.

It is possible that you also react to other similar short-chain carbohydrates, such as fructans, polyols and galactans, found in cabbage, artichoke, peas, onions, garlic, broccoli, cauliflower, asparagus, green beans, leeks, peanuts, tomato, zucchini, mushrooms, wheat, rye and pistachios.

If you want to know more about fructose intolerance, and you would like the advice of a Nutritional Therapist to design the diet that better suits for you in order to avoid fructose intolernace and to heal your gut flora click here.

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