Are Ancient Chicken Eggs Less Allergenic?
Author Information
Author(s): Matthias Egger, Claudia Alessandri, Michael Wallner, Peter Briza, Danila Zennaro, Adriano Mari, Fatima Ferreira, Gabriele Gadermaier
Primary Institution: Christian Doppler Laboratory for Allergy Diagnosis and Therapy, University of Salzburg, Salzburg, Austria
Hypothesis
Do eggs from ancient chicken breeds have lower allergenicity compared to those from modern laying hen hybrids?
Conclusion
Eggs from ancient chicken breeds are not less allergenic than those from modern hybrids, but some patients may tolerate them better due to their smaller egg white fraction.
Supporting Evidence
- Egg allergic children showed high sensitization prevalence to Gal d 1 and Gal d 2.
- Egg white/yolk weight ratios were reduced in eggs from ancient chicken breeds.
- Similar IgE-binding was observed for all egg white preparations.
Takeaway
This study looked at whether eggs from old chicken breeds are safer for kids with egg allergies. It found that they aren't really less allergenic, but some kids might handle them better.
Methodology
The study involved skin prick tests and double-blind placebo-controlled food challenges on 25 egg allergic children to assess IgE reactivity to different chicken egg breeds.
Potential Biases
Potential bias in patient selection and reporting of symptoms may exist.
Limitations
The study did not explore all potential factors influencing egg allergy tolerance, and the sample size was limited to 25 children.
Participant Demographics
The cohort consisted of 25 egg allergic children, predominantly male (20 males, 5 females), with an average age of 5.5 years.
Statistical Information
P-Value
0.015
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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