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A potent contact allergen of Phacelia (Hydrophyllaceae)
Author(s) -
Reynolds Gary,
Epstein William,
Terry Diane,
Rodriguez Eloy
Publication year - 1980
Publication title -
contact dermatitis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 96
eISSN - 1600-0536
pISSN - 0105-1873
DOI - 10.1111/j.1600-0536.1980.tb04929.x
Subject(s) - allergen , patch test , allergic contact dermatitis , contact dermatitis , patch testing , chemistry , medicine , allergy , immunology
The major contact allergen of Phacelia crenulata (Hydrophyllaceae) has been identified as geranylhydroquinone. A maximization test of geranylhydroquinone showed this to be a potent sensitizer comparable in degree to poison oak/ivy urushiol. Comparative patch testing on humans with urushiol established that the Phacelia allergen does not cross‐react with poison oak or ivy.