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Seeking a journal article

June 16th, 2009 (11:24 am)
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cvirtue has a minor allergic reaction to some kinds of apple. Today I found a journal article that compares the allergen levels in 88 different cultivars. Obviously, this would be useful data in trying to know what kinds of apple to avoid...but the article isn't available in any of the free archives. Does anybody here have access to it? (I'd probably go ahead and pay for it, except that I don't know if it'd actually help: it covers cultivars grown in Europe, which might not overlap with what's available in the US.)

The article is Allergenicity Assessment of Apple Cultivars: Hurdles in Quantifying Labile Fruit Allergens, in the International Archives of Allergy and Immunology.

Edit: thanks to jdulac. I'm glad I didn't pay for it, because it doesn't actually contain the raw data I was looking for; the authors were mostly looking for statistical differences based on region—and they found them: the Dutch apples have much higher allergen levels, up to 30 times higher.

There is raw data for the five cultivars which were grown in both places; for those they found variation of 3 to 30 times. So, even though all of those five are available in the US, the data is of little use, since allergen levels in different parts of the US could be completely different. The ranking wasn't even the same in Italy and the Netherlands. And it turns out there are several different allergens to worry about; I'm referring here only to the most common allergy.

The upshot is that, if you want to know what apples to avoid, knowing the variety of apple isn't enough. You need to know where it was grown, and what allergy you have. And "where it was grown" might not be enough, either; you might need a mass spectrometer in your kitchen.


Posted by: Jehan du Lac (jdulac)
Posted at: June 16th, 2009 04:02 pm (UTC)

check your mail.

Posted by: Who, me? (metageek)
Posted at: June 16th, 2009 04:04 pm (UTC)


Posted by: C. Virtue (cvirtue)
Posted at: June 16th, 2009 05:11 pm (UTC)

Thank you!

Posted by: C. Virtue (cvirtue)
Posted at: June 16th, 2009 05:11 pm (UTC)
Mad Sci GirlGenius

For people reading along, the kind of allergy I have is called Oral Allergy Syndrome. It develops due to certain kinds of tree pollen allergies, and the proteins on the pollen of some fruits & veggies is close enough that I have reactions to them as well. Sometimes painful reactions. This is usually an adult-onset allergy.

I always have problems with Delicious apples, and it's a random roll for other sorts of apples.

Posted by: Hey You (martianfencer)
Posted at: June 16th, 2009 08:12 pm (UTC)


Out of curiousity, do you have problems with both Washington Delicious and the strain of Delicious that is grown in New England? (They are quite different, and I haven't figured out why they have the same name.)

Posted by: C. Virtue (cvirtue)
Posted at: June 16th, 2009 09:21 pm (UTC)

It's the red delicious (or yellow, and sometimes granny smith) with the five bumps at the bottom and the heart-shaped cross section that I have trouble with.

Posted by: Hey You (martianfencer)
Posted at: June 17th, 2009 01:47 am (UTC)

So it's more-or-less the very most common apples. Interesting.

Posted by: C. Virtue (cvirtue)
Posted at: June 17th, 2009 01:51 am (UTC)

Right -- although fortunately, I have always disliked the incorrectly-named "Delicious" apples, preferring instead the north-eastern types like macintosh, cortland, mccoun, and so on.

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