Sunflower seeds as eliciting agents of Compositae dermatitis

Summary Background Sunflowers may cause dermatitis because of allergenic sesquiterpene lactones (SLs). Contact sensitization to sunflower seeds has also been reported, but the allergens are unknown. Objectives To analyse sunflower seeds for the presence of SLs and to assess the prevalence of sunflow...

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Published inContact dermatitis Vol. 72; no. 3; pp. 172 - 177
Main Authors Paulsen, Evy, El-Houri, Rime B., Andersen, Klaus E., Christensen, Lars P.
Format Journal Article
LanguageEnglish
Published Oxford, UK Blackwell Publishing Ltd 01.03.2015
Wiley Subscription Services, Inc
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ISSN0105-1873
1600-0536
1600-0536
DOI10.1111/cod.12326

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Abstract Summary Background Sunflowers may cause dermatitis because of allergenic sesquiterpene lactones (SLs). Contact sensitization to sunflower seeds has also been reported, but the allergens are unknown. Objectives To analyse sunflower seeds for the presence of SLs and to assess the prevalence of sunflower sensitization in Compositae‐allergic individuals. Patients/materials/methods Sunflower‐sensitive patients were identified by aimed patch testing. A dichloromethane extract of whole sunflower seeds was analysed by liquid chromatography‐mass spectrometry and high‐performance liquid chromatography. Results The prevalence of sensitivity to sunflower in Compositae‐allergic individuals was 56%. A solvent wash of whole sunflower seeds yielded an extract containing SLs, the principal component tentatively being identified as argophyllin A or B, other SLs being present in minute amounts. Conclusions The concentration of SLs on the sunflower seeds is considered high enough to elicit dermatitis in sensitive persons, and it seems appropriate to warn Compositae‐allergic subjects against handling sunflower seeds.
AbstractList Sunflowers may cause dermatitis because of allergenic sesquiterpene lactones (SLs). Contact sensitization to sunflower seeds has also been reported, but the allergens are unknown. To analyse sunflower seeds for the presence of SLs and to assess the prevalence of sunflower sensitization in Compositae-allergic individuals. Sunflower-sensitive patients were identified by aimed patch testing. A dichloromethane extract of whole sunflower seeds was analysed by liquid chromatography-mass spectrometry and high-performance liquid chromatography. The prevalence of sensitivity to sunflower in Compositae-allergic individuals was 56%. A solvent wash of whole sunflower seeds yielded an extract containing SLs, the principal component tentatively being identified as argophyllin A or B, other SLs being present in minute amounts. The concentration of SLs on the sunflower seeds is considered high enough to elicit dermatitis in sensitive persons, and it seems appropriate to warn Compositae-allergic subjects against handling sunflower seeds.
Sunflowers may cause dermatitis because of allergenic sesquiterpene lactones (SLs). Contact sensitization to sunflower seeds has also been reported, but the allergens are unknown.BACKGROUNDSunflowers may cause dermatitis because of allergenic sesquiterpene lactones (SLs). Contact sensitization to sunflower seeds has also been reported, but the allergens are unknown.To analyse sunflower seeds for the presence of SLs and to assess the prevalence of sunflower sensitization in Compositae-allergic individuals.OBJECTIVESTo analyse sunflower seeds for the presence of SLs and to assess the prevalence of sunflower sensitization in Compositae-allergic individuals.Sunflower-sensitive patients were identified by aimed patch testing. A dichloromethane extract of whole sunflower seeds was analysed by liquid chromatography-mass spectrometry and high-performance liquid chromatography.PATIENTS/MATERIALS/METHODSSunflower-sensitive patients were identified by aimed patch testing. A dichloromethane extract of whole sunflower seeds was analysed by liquid chromatography-mass spectrometry and high-performance liquid chromatography.The prevalence of sensitivity to sunflower in Compositae-allergic individuals was 56%. A solvent wash of whole sunflower seeds yielded an extract containing SLs, the principal component tentatively being identified as argophyllin A or B, other SLs being present in minute amounts.RESULTSThe prevalence of sensitivity to sunflower in Compositae-allergic individuals was 56%. A solvent wash of whole sunflower seeds yielded an extract containing SLs, the principal component tentatively being identified as argophyllin A or B, other SLs being present in minute amounts.The concentration of SLs on the sunflower seeds is considered high enough to elicit dermatitis in sensitive persons, and it seems appropriate to warn Compositae-allergic subjects against handling sunflower seeds.CONCLUSIONSThe concentration of SLs on the sunflower seeds is considered high enough to elicit dermatitis in sensitive persons, and it seems appropriate to warn Compositae-allergic subjects against handling sunflower seeds.
Summary Background Sunflowers may cause dermatitis because of allergenic sesquiterpene lactones (SLs). Contact sensitization to sunflower seeds has also been reported, but the allergens are unknown. Objectives To analyse sunflower seeds for the presence of SLs and to assess the prevalence of sunflower sensitization in Compositae‐allergic individuals. Patients/materials/methods Sunflower‐sensitive patients were identified by aimed patch testing. A dichloromethane extract of whole sunflower seeds was analysed by liquid chromatography‐mass spectrometry and high‐performance liquid chromatography. Results The prevalence of sensitivity to sunflower in Compositae‐allergic individuals was 56%. A solvent wash of whole sunflower seeds yielded an extract containing SLs, the principal component tentatively being identified as argophyllin A or B, other SLs being present in minute amounts. Conclusions The concentration of SLs on the sunflower seeds is considered high enough to elicit dermatitis in sensitive persons, and it seems appropriate to warn Compositae‐allergic subjects against handling sunflower seeds.
Summary Background Sunflowers may cause dermatitis because of allergenic sesquiterpene lactones (SLs). Contact sensitization to sunflower seeds has also been reported, but the allergens are unknown. Objectives To analyse sunflower seeds for the presence of SLs and to assess the prevalence of sunflower sensitization in Compositae-allergic individuals. Patients/materials/methods Sunflower-sensitive patients were identified by aimed patch testing. A dichloromethane extract of whole sunflower seeds was analysed by liquid chromatography-mass spectrometry and high-performance liquid chromatography. Results The prevalence of sensitivity to sunflower in Compositae-allergic individuals was 56%. A solvent wash of whole sunflower seeds yielded an extract containing SLs, the principal component tentatively being identified as argophyllin A or B, other SLs being present in minute amounts. Conclusions The concentration of SLs on the sunflower seeds is considered high enough to elicit dermatitis in sensitive persons, and it seems appropriate to warn Compositae-allergic subjects against handling sunflower seeds.
Author Paulsen, Evy
Christensen, Lars P.
El-Houri, Rime B.
Andersen, Klaus E.
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  surname: Christensen
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Keywords sunflower seeds
Helianthus annuus
Compositae
patch testing
allergic contact dermatitis
Asteraceae
Language English
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Snippet Summary Background Sunflowers may cause dermatitis because of allergenic sesquiterpene lactones (SLs). Contact sensitization to sunflower seeds has also been...
Sunflowers may cause dermatitis because of allergenic sesquiterpene lactones (SLs). Contact sensitization to sunflower seeds has also been reported, but the...
Summary Background Sunflowers may cause dermatitis because of allergenic sesquiterpene lactones (SLs). Contact sensitization to sunflower seeds has also been...
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StartPage 172
SubjectTerms allergic contact dermatitis
Asteraceae
Chromatography
Compositae
Dermatitis
Dermatitis, Allergic Contact - etiology
Female
Helianthus
Helianthus annuus
Humans
Lactones - adverse effects
Lactones - analysis
Lactones - immunology
Male
Middle Aged
patch testing
Seeds
Seeds - adverse effects
Seeds - chemistry
Seeds - immunology
Sesquiterpenes - adverse effects
Sesquiterpenes - analysis
Sesquiterpenes - immunology
sunflower seeds
Title Sunflower seeds as eliciting agents of Compositae dermatitis
URI https://api.istex.fr/ark:/67375/WNG-J4G58FHR-3/fulltext.pdf
https://onlinelibrary.wiley.com/doi/abs/10.1111%2Fcod.12326
https://www.ncbi.nlm.nih.gov/pubmed/25581855
https://www.proquest.com/docview/1654885503
https://www.proquest.com/docview/1655523464
Volume 72
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