Quote:
Originally Posted by Mari
Waves,
I had a delayed breakout around the edges of my mouth. It happened after the rash on my hands.
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wow. Well then if you did not eat the fruit right off the peel, it does sound like you are allergic to the pulp as well. You may be less allergic to it than to the peel. That could explain why the rash on your hands appeared first. Also I wonder if you didn't handle the fruit well before you ate it (during shopping, unpacking and/or moving it at home).
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I took a look at your links. Here are my observations.
Bananas and latex:
The study you cited clearly indicates some degree of cross-allergy between latex and bananas. It would imply that if one is allergy-prone, and has a known allergy to one of the two, they should be cautious about contact with the other.
Latex and other saps:
Latex is the congealed sap of the "Rubber Tree", a member of the
Euphorbiaceae plant family. Many members of this family (eg. Euphorbia (various species), mangroves, crotons) have a milky sap which is irritating to varying degress, and with which contact should be avoided. Wiki claims the Crotonideae are innocuous - my mother grew them and claims the contrary. I believe my mother.
http://en.wikipedia.org/wiki/Euphorbiaceae
Quote:
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The family contains a large variety of phytotoxins (toxic substances produced by plants), mainly diterpene esters, alkaloids, glycosides, and ricin-type toxins.
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Btw, ricin is a toxin found in castor oil.
Poison Ivy, Cashew, Mango, Pistachio:
All are members of the
Anacardiaceae family of plants. Some are more likely to cause allergies. I haven't heard of anyone "immune" to poison ivy. Mango allergy is common. Cashew and pistachio allergy might be less so(?). If allergic to mango, cashew, or pistachio, you should be cautious with the others. I didn't read enough to determine whether, in all cases, the allergy is produced by urushiol content.
Capers:
No idea how capers enter into this, as they belong to neither of the groups of indicted plant families. I have encountered people who are allergic to capers but I don't think it is particularly common.
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I am going to watch Sherlock Holmes now. I might post later if I think of something else, or find something else. I didn't cross-check latex and mango, but they are in distinct plant families as I stated above.
waves