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Fructose malabsorption |
Jennifer Butt discovers that avoiding fructose is no way as easy as it sounds... |
When my partner Bernhard was diagnosed with fructose malabsorption (FM) shortly before Christmas, my initial reaction was ‘at least it’s better than lactose intolerance. It must be fairly easy to avoid fruit sugar, mustn’t it?’ How wrong could I be? Unfortunately FM often goes hand in hand with a sweet tooth. Luckily my partner can tolerate a small amount of fructose so judiciously chosen sweets are allowed. But how should he select from the sweets on offer in a restaurant? Assessing the content As well as fructose he would like to know the glucose content of the puddings on offer. If there is more glucose than fructose the dish will be easier to digest (within reason – I’m afraid that nothing will put apples back on his menu). It is not always obvious. I checked with the British Library. They hold 22 million items – surely a few will be about FM? Unfortunately not. They hold no books at all on FM and list only 10 articles published in medical journals – each of which would cost £26-30 to read. One out-of-print book pops up on Amazon but I’m not even sure it’s on the right subject. Various websites exist, seemingly from reputable sources. Most are not detailed enough to be helpful, or else they contradict each other. Bananas are good – no they’re not, bananas are evil! Wheat is not dangerous – eat wheat at your peril! Besides, how do we consult a website when we’re in a restaurant looking at the sweet menu? It can be difficult to explain FM. A few weeks ago some friends conscientiously offered us rhubarb – they thought because it was sour it would be low in fructose. Bernhard had a homemade cheese straw for pudding instead. The last six months have been a period of trial and error – and frustration as we’ve realised how little information is available. Bernhard misses eating apples, jam and honey the most. He certainly doesn’t miss the diarrhoea and the bloating. Fortunately he loves dark chocolate - the good quality stuff tends to be low in sugar. He eats a lot of cucumber (which according to some is evil stuff) and so far is okay
with it. He would choose cheesecake in my hypothetical restaurant above, but ask for cream instead of the raspberry coulis. Sources: First published in 2007
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