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Beef allergy in children.

A Fiocchi1, P Restani, E Riva

  • 1Department of Pediatrics, San Paolo Biomedical Institute, University of Milan Medical School, Milan, Italy.

Nutrition (Burbank, Los Angeles County, Calif.)
|June 28, 2000
PubMed
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Beef allergy, often linked to cow's milk allergy, affects children with atopic dermatitis. Bovine serum albumin (BSA) is the main allergen, but processed beef may be tolerated.

Area of Science:

  • Food Allergy Research
  • Pediatric Immunology
  • Clinical Nutrition

Background:

  • Beef allergy was poorly understood before the 1990s.
  • Recent research has clarified its nature, epidemiology, and symptoms, particularly in children with atopic dermatitis and cow's milk allergy.
  • Beef allergy is not rare, with incidences ranging from 3.28% to 6.52% in children with atopic dermatitis and 0.3% in the general population.

Purpose of the Study:

  • To elucidate the nature, epidemiology, and symptoms of beef allergy.
  • To identify the primary allergen in beef and understand cross-reactivity.
  • To explore potential dietary management strategies for beef-allergic children.

Main Methods:

  • Diagnosis relies on skin prick tests, Radioallergosorbent tests (RASTs), and oral food challenges.

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  • Evaluation of diagnostic test specificity and sensitivity is ongoing.
  • Identification of bovine serum albumin (BSA) as the major beef allergen.

    • Main Results:

    • Beef allergy affects a notable percentage of children, especially those with atopic dermatitis.
    • Bovine serum albumin (BSA) is the primary allergen, with cross-reactivity to other albumins like ovine serum albumin.
    • Industrial heat processing, freeze-drying, and homogenization show promise in reducing beef allergenicity.

    Conclusions:

    • Beef allergy is an emerging concern, particularly in pediatric populations.
    • Understanding allergen cross-reactivity is crucial for dietary management.
    • Processed beef may offer a viable option for introducing beef into the diet of allergic children under careful evaluation.