Broccoli is in the Brassicaceae
family of plants which includes cress, mustard, wasabi and radish.
The scientific name for broccoli is Brassica oleracea
, this is the same plant that produces cabbage, cauliflower, kale and kohlrabi.
Broccoli has been shown to contain Lipid Transfer Proteins
. These are panallergen proteins which can cause allergic symptoms over seemingly unrelated food groups.
Broccoli is a high FODMAP food. FODMAP stands for F
olyols. Foods high in FODMAPs can cause symptoms of food intolerance, affecting the gastro intestinal system and this can be mistaken for a true IgE food allergy.
Broccoli is high in salicylates. Salicylates have the potential to cause gastrointestinal food intolerance symptoms in people who are sensitive to salicylates.
Broccoli could be mistaken for containing lectins, but it doesn't. Cooking foods with lectins makes them more digestible and can reduce the symptoms of food intolerance.
You can read more about Food Intolerances
on the dedicated Food Intolerance Page.
You may be suffering from LTP Syndrome
if you have reactions to various fruits, vegetables and nuts and your reactions continue to be severe after you have discarded the peel and have cooked the food.
An intolerance to broccoli is often linked to salicylate and FODMAP sensitivity.
Common foods involved in LTP allergy include kiwi, strawberries, sunflower seeds, walnut, apple, mulberry, banana, pea, apricot, cherry, plum, almond, peach pomegranate, raspberry, tomato, grape, celery, peanut, asparagus, cabbage, chestnut, lemon, tangerine, orange, hazelnut, lettuce, lentils, lupin, green bean, pear, mustard, wheat and maize.
Note these food lists are not exhaustive, the most up to date information is on the Cross Reactivity Tool.
Allergen Encyclopedia - Broccoli
Lipid Transfer Proteins (LTP Syndrome)
Anaphylaxis Campaign - Allergy to Vegetables
Broccoli Allergies - Livestrong
Salicylate Sensitivity: Causes, Symptoms and Foods to Avoid
The IBS Network - FODMAPS
Healthline - FODMAP Foods
ATP Science - Salicylate Foods
Articles and Journals
Kale allergy, a new member in LTP syndrome, 2023
BSACI guideline for the diagnosis and management of pollen food syndrome in the UK, 2022
Allergic reactions to emerging food allergens in Canadian children, 2021
Association between maternal vegetable intake during pregnancy and allergy in offspring: Japan Environment and Children’s Study, 2021
Lipid Transfer Protein allergy in the United Kingdom: Characterization and comparison with a matched Italian cohort, 2019
Allergy to LTP: to eat or not to eat sensitizing foods? A follow-up study, 2018
Mugwort-Mustard Allergy Syndrome due to Broccoli Consumption, 2016
Identification of a lipid transfer protein as the major protein in the surface wax of broccoli (Brassica oleracea) leaves, 1994
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