1988, English, Article
Skin Test Survey in Castor Bean Allergic Working Population in Eastern Sudan, with Frequently Response of First Dilutions Giving Skin Reactions
FAKHRI, Z. I.; ERWA, H. H.
A skin test survey on 256 caster bean ( Ricinus Communis, Euphorbiaceae exposed male workers in Port Sudan and Gash areas of Sudun, and a control group of 77 male workers was carried out. All individuals were tested by prick test for two types of castor bean seed namely Cimmaron and Pacific varieties, castor bean hull and other common allergens including castor bean dust (mixture of Cimmaron, Pacific and hull). One hundred and forty-five (56·6 per cent) of the exposed workers gave positive skin reactions to caster bean, compared to 0 per cent of the control group. The group affected by castor bean allergy, had a higher response to the other allergens tested. This study showed that the Cimmaron variety of castor bean seed gives bigger weal reaction than the Pacific type or the castor bean dust. The patients responded to different concentrations of castor bean extracts depending on the severity of the allergy.
Copyright (C) 1988, Society of Occupational Medicine
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