ALLERGY RESOURCES

COMPREHENSIVE ALLERGY RESOURCES FOR EVERYONE - THE TOP 14 ALLERGENS AND BEYOND

COMPREHENSIVE ALLERGY RESOURCES FOR EVERYONE - THE TOP 14 ALLERGENS AND BEYOND

COCOA ALLERGY


Key Allergens

Cocoa is a food that is not considered by the World Health Organisation (WHO) to contain any allergenic proteins, however there have been cases of cocoa allergies reported.

Most of the studies relating to cocoa allergy are from factory workers and chocolatiers who spend all of their time working with the product.

There is a 2S seed storage protein in cocoa which is similar to those proteins found in tree nuts. Cocoa is a highly processed product which is why is not thought to be particularly cross reactive with other foods containing 2S seed storage proteins.

Chocolate contains theobromine and caffeine which may cause people to believe they are allergic to cocoa instead of reacting to the caffeine.

Associated Syndromes

Cocoa allergy or intolerance has not been linked to any allergenic syndromes.

Cross Reactivity

Other foods containing 2S seed storage proteins are peanuts, cashews, brazil nut, mustard, pecan, hazelnut, soya beans, walnut, pistachio, sesame and almonds.

Fruits and vegetables containing these proteins are kiwi, turnip, pumpkin and sichuan pepper.

2S seed storage proteins are also found in rapeseed, buckwheat, flaxseed, castor beans, mung bean, chickpea, sunflower seeds and pine nuts.

Resources

Websites

Science Direct - Theobroma cacao

Allergen Encyclopedia - Cacao

Allergy information for: Cocoa (Theobroma cacao)

Do I Have a Chocolate Allergy?

NY Allergy & Sinus Centers - Chocolate Allergy


Articles and Journals

Not so sweet: True chocolate and cocoa allergy, 2019

Cocoa Diet and Antibody Immune Response in Preclinical Studies, 2017

The effects of cocoa on the immune system, 2013

Respiratory function and immunological status in cocoa and flour processing workers, 1998



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