The main allergen found in avocado is called Pers a 1, this is a chitinase, which is a plant derived enzyme made by plants naturally to act as a defence against fungal attacks.
Avocado allergy has been linked to Latex Food Syndrome
, which is caused by the body confusing the proteins it encounters in food to that of latex proteins to which it is already sensitised.
Avocado allergy has also been linked in recent years to FPIES - Food Protein Induced Enterocolitis Syndrome.
Those with a sensitivity to chitinase may have linked allergies to foods which contain high levels of chitinase, like banana, chestnuts, corn (maize), kiwi, papaya, pomegranate and tomatoes.
DermNet NZ - Latex Allergy
Allergen Encyclopedia - Avocado
Allergy information for: Avocado (Persea americana)
NY Allergy & Sinus Centers - Avocado
Healthline - Dealing with an Avocado Allergy
Articles and Journals
Non-IgE-mediated food allergy: Evaluation and management, 2021
Are Dietary Lectins Relevant Allergens in Plant Food Allergy? 2020
Three cases of delayed onset repetitive emesis after avocado ingestion, 2018
Clinical characterization of Chilean patients with IgE-mediated food allergy, 2018
Class I endochitinase containing a hevein domain is the causative allergen in latex-associated avocado allergy, 1999
Class I chitinases as potential panallergens involved in the latex-fruit syndrome, 1999
Cross-reacting allergens in natural rubber latex and avocado, 1995
Latex allergy: clinical features and cross-reactivity with fruits, 1994
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