Contact dermatitis to Alstroemeria

B. Santucci, M. Picardo, C. Iavarone, C. Trogolo

Research output: Contribution to journalArticlepeer-review


A study was carried out on 50 workers in a floriculture centre to evaluate the incidence of contact dermatitis to Alstroemeria. 3 subjects gave positive reactions to aqueous and ethanolic extracts of cut flowers, stems and leaves. By column chromatography, the allergen was isolated and its chemical structure identified as 6-tuliposide A by proton magnetic resonance and carbon-13 magnetic resonance. Only 6-tuliposide A was isolated from cut flowers, and this gave positive reactions when patch tested at 0.01%; α-methylene-γ-butyrolactone at 10-5 (v/v) was positive in the same 3 subjects. Other lactones (γ-methylene-γ-butyrolactone, alantolactone, isoalantolactone) were negative at all concentrations used.

Original languageEnglish
Pages (from-to)215-219
Number of pages5
JournalContact Dermatitis
Issue number4
Publication statusPublished - 1985

ASJC Scopus subject areas

  • Immunology
  • Dermatology
  • Toxicology


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