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What Is Colophony

Causes. Colophony allergy is caused by an overreactive immune system, which emits antibodies to fight harmless substances in contact with the skin or lungs. These antibodies cause ...
http://www.ehow.com/how_5605794_colophony-allergy_...
1. translucent brittle substance produced from pine oleoresin; used especially in varnishes and inks and on the bows of stringed instruments
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Rosin is a mixture of "rosin acids", fundamentally abietic, levopimaric, neoabietic, palustric and dehidroabietic. The mixture is "pine species dependent". Most of these acids have...
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colophony: translucent brittle substance produced from pine oleoresin
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(Chemistry / Elements & Compounds) another name for rosin [1] [from Latin Colophōnia rēsina resin from Colophon]
http://www.thefreedictionary.com/colophonies
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What Is Colophony

Rosin, also called colophony or Greek pitch (Pix græca), is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating ...
en.wikipedia.org
You have been found to be allergic to Colophony (rosin). What is Colophony ( rosin)? Colophony or rosin is a natural substance obtained from conifers.
www.bedfordhospital.nhs.uk
Because this chemical is found is a wide variety of products, it is important to use only ingredient-labeled products that do not list colophony or any of its ...
contactallergy.com