Biomedical subjects
Publications and source records attributed to A Reimeringer.
Patch-tests made in 13 persons who were allergic to colophony revealed quite different allergologic profiles. Some patients reacted only to abietylic alcohol while others did not react to abietic acid. Methylabietate used as plasticizer in sticking-plasters and especially "hypoallergic" ones, had an allergizing effect in 6 out of 12 cases.
5 commercial patch-test-products were investigated by gas chromatography. Colophony was detected in three of the products, and the allergen was found in the adhesive component.
Colophony and its derivatives play an important part in intolerances to sticking-plasters. Gas chromatography revealed resinic acids (derivatives) in numerous products of that kind, even in the so-called "hypoallergic" ones. The profiles of the resinic acids contained in some sticking-plasters that are sold in several countries under identic names, are rather different. The results of physicochemical analysis of Elastoplaste, the normal French product, and of a "hypoallergic" product, coincide with the results of allergologic studies.
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