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Immunologic findings in confectionary workers

E Zuskin1, B Kanceljak, J Mustajbegovic

  • 1Andrija Stampar School of Public Health, Zagreb, Croatia.

Annals of Allergy
|December 1, 1994
PubMed
Summary
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Workers in confectionary plants show frequent respiratory symptoms and a higher risk of asthma, particularly those with positive skin tests to food allergens like cacao. Specific skin testing can identify workers susceptible to occupational asthma.

Area of Science:

  • Occupational health
  • Allergology
  • Pulmonary medicine

Background:

  • Food allergies are common, but occupational immunologic responses in the confectionary industry are understudied.
  • Confectionary workers may face unique environmental exposures.
  • Limited research exists on immune responses within this specific occupational group.

Purpose of the Study:

  • To evaluate the immunologic and clinical health of workers in a confectionary plant.
  • To identify potential allergens and respiratory health issues in this workforce.
  • To assess the relationship between immunologic findings and respiratory symptoms.

Main Methods:

  • Studied 71 confectionary workers (mean age 35, mean exposure 11 years).
  • Conducted immunologic assessments including skin prick tests and serum IgE levels.

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  • Evaluated respiratory health through symptom questionnaires and lung function tests.

    • Main Results:

    • Positive skin reactions were most common with cacao (31%), chocolate (9%), cocoa (6%), and hazelnut (6%).
    • Asthma (26.1%) and dyspnea (26.1%) prevalence was significantly higher in workers with positive skin tests.
    • Disodium cromoglycate (DSCG) reduced across-shift lung function decline in all workers.

    Conclusions:

    • Confectionary plant exposures are linked to irritant respiratory symptoms.
    • Specific skin testing can help identify confectionary workers at risk for occupational asthma.
    • Environmental factors in confectionary plants contribute to respiratory health issues.