Abstract
High-purity glyceryl para-aminobenzoate was produced from a commercial source of the chemical by using a chromatographic technique. Negative test reactions to this purified substance were obtained when it was patch/photopatch-tested on 2 patients with contact and photocontact allergy to a nonpurified batch of glyceryl para-aminobenzoate.
MeSH terms
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4-Aminobenzoic Acid / adverse effects*
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4-Aminobenzoic Acid / analysis
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Adult
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Aged
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Aminobenzoates / adverse effects*
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Chromatography, High Pressure Liquid
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Dermatitis, Contact / diagnosis*
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Dermatitis, Contact / etiology
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Female
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Humans
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Male
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Mass Spectrometry
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Patch Tests
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Photosensitivity Disorders / chemically induced
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Photosensitivity Disorders / diagnosis*
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para-Aminobenzoates
Substances
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Aminobenzoates
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para-Aminobenzoates
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2,3-dihydroxypropyl 4-aminobenzoate
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4-Aminobenzoic Acid