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PostPosted: Tue Jan 16, 2007 10:56 am 
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Joined: Sat Apr 16, 2005 12:09 am
Posts: 1054
Peanut allergen exposure through kissing: assessment and intervention

Dr. Scott Sicherer
Mount Sinai School of Medicine

It has been documented that a food allergen, such as peanut, can be transferred through saliva to an allergic person through kissing, resulting in a reaction. Though skin contact in this way is unlikely to cause a severe reaction, lip to lip contact could transfer protein that could be ingested and lead to more significant reactions. This concern particularly applies to persons who may undertake passionate kissing with a partner who may have consumed an allergen, or with sharing cups or straws. With a grant from the Food Allergy Initiative, Dr. Sicherer and colleagues at the Jaffe Institute undertook a study to investigate how long peanut protein typically remains in saliva after a meal of peanut butter, and tried to find ways to efficiently remove residual peanut protein from the mouth. Peanut protein was measured using a laboratory test that previous FAI funding helped to establish (a grant to Martin Chapman, PhD). Dr. Sicherer and colleagues found that peanut residue gradually disappeared from the mouth with time, and reached undetectable levels if participants, 30 were tested, waited a few hours and had a peanut-free meal. Five methods to actively remove peanut after a meal (brushing teeth/brushing and rinsing/rinsing/waiting then brushing/waiting then chewing gum) were tried and typically reduced peanut to levels that are unlikely to cause a reaction, but some peanut was still detectable in a few people. Dr. Sicherer and colleagues concluded that peanut allergic patients require counseling regarding risks of kissing or sharing utensils, even if partners brushed their teeth or chewed gum. Advice to reduce risks, though not as ideal as total avoidance, include waiting a few hours plus eating a peanut free meal. The study was aimed to peanut butter, but the researchers caution that removal of other types of peanut (whole peanut) or other allergens (milk, fish, etc) from the mouth may be different.

http://www.foodallergyinitiative.org/se ... ction_id=2

http://www.ncbi.nlm.nih.gov/entrez/quer ... med_DocSum


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PostPosted: Tue Jan 16, 2007 12:23 pm 
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Joined: Tue Mar 22, 2005 6:53 pm
Posts: 1454
Location: Canada
Thanks for posting this! I feel any study is 'important' to which I can point and say--See! I'm not paranoid! :lol:


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