Rapeseed is a crop in the Brassica
family of plants, other members of this plant family includes mustard, cabbage and turnips.
Rapeseed is a common crop harvested in the UK, rapeseed oil is used in dressings and cooking oils. Canola oil used in Canada and the US is made from specific variants of rapeseed.
Bra n 1 is the main allergen in rapeseed. It is a 2S albumin seed storage protein
Rapeseed pollen is often blamed for allergic rhinitis symptoms as the flowering season coincides with the pollen season of the much more allergenic birch and oak. The flowers of rapeseed are insect pollinated, so considered to be of low allergenicity.
Rapeseed allergy is not associated with any syndromes at this time.
Other foods containing 2S albumin seed storage protains are peanut, groundnut, kiwi, various tree nuts, mustard, turnip, soya beans, sesame and castor beans.