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

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


Key Allergens

There are 5 allergens in pistachio nuts. Pis v 1, 2, 3, 4 and 5.

Most tree nut allergies are caused by seed storage proteins, pistachios have all 3 types of seed storage protein. Pis v 1 is a 2S seed storage albumin protein. Pis v 2 and 5 are 11S seed storage globulin proteins, also known as legumin proteins. Pis v 3 is a vicilin protein, also referred to as a 7S seed storage globulin protein. These seed storage proteins can cause people to be allergic to whole groups of tree nuts, seeds and legumes.

Pis v 4 is a manganese superoxide dismutase which is a plant enzyme.

Associated Syndromes

Pistachio allergy is not currently associated with any allergic syndromes.

Cross Reactivity

The most studied cross reactivity is between pistachio and cashew nuts.

Other food containing 2S albumin seed storage proteins are cashews, peanuts, brazil nuts, mustard seed, rapeseed, turnip, chickpeas, hazelnuts, pecan nuts, buckwheat, soya, sunflower seeds, walnuts, kiwi, castor beans and sesame seeds.

Other foods containing 7S seed storage proteins are peanuts, cashews, pecan, hazelnut, soya beans, walnut, macadamia nuts, sesame and lupin all contain 2S seed storage proteins. Fruits and vegetables containing these proteins are coconut, mung beans and peas. 7S seed storage proteins are also found in buckwheat and lentils.

11S seed storage proteins are also found in kiwi, cashew, pecan, macadamia, peanut, brazil nut, pumpkin, soya beans, walnut, pistachio, sesame and mustard.

Resources

Websites

Allergen Encyclopedia - Pistachio

What Are the Symptoms of a Nut Allergy?

Allergy UK - Quick Guide to Tree Nut Allergy

FARE - Tree Nut Allergy


Articles and Journals

Pistachio and cashew nut allergy in childhood: Predictive factors towards development of a decision tree, 2021

Cross-reactivity of pink peppercorn in cashew and pistachio allergic individuals, 2019

Tree nut allergens, 2018

Current perspectives on tree nut allergy: a review, 2018

Sensitization to cashew nut 2S albumin, Ana o 3, is highly predictive of cashew and pistachio allergy in Greek children, 2015

Cloning, expression, characterization, and computational approach for cross-reactivity prediction of manganese superoxide dismutase allergen from pistachio nut, 2010

Identification of two pistachio allergens, Pis v 1 and Pis v 2, belonging to the 2S albumin and 11S globulin family, 2009

2S Albumin Storage Proteins: What Makes them Food Allergens?, 2008

Pistachio vicilin, Pis v 3, is immunoglobulin E-reactive and cross-reacts with the homologous cashew allergen, Ana o 1, 2008



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