Chub mackerel

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Code: f50
Latin name: Scomber japonicus
Source material: Fish muscle
Family: Scombridae
This species is very similar to the Atlantic mackerel, Scomber scombrus (f206).

Allergen Exposure

Chub mackerel is eaten raw or cooked.  This species, which is very similar to the Atlantic mackerel Scomber scombrus, is found mostly in the Pacific, but also in the Atlantic, where it is called a Chub mackerel or, in some languages, Spanish mackerel.

Potential Cross-Reactivity

Species within groups of fish, like Gadiformes (examples: codfish and hake) and Scombroid fishes (examples: mackerel and tuna) seem to share allergenic components. The overlap of allergen specificity between the groups seems to be moderate or even small. 

Clinical Experience

IgE antibodies have been measured to mackerel in two groups of patients with atopic dermatitis (1, 2) and in children (3). Mackerel may contain the parasite Anisakis simplex (p4) and presumed sensitivity to mackerel   may actually be an allergy to this parasite (4). Members of the Scombroidae family easily form histamine during storage, ("scombroid poisoning").
 
Review
This species, which is very similar to the Atlantic mackerel Scomber scombrus, is found mostly in the Pacific, but also in the Atlantic, where it is called a Chub mackerel or, in some languages, Spanish mackerel.
 
IgE antibodies have been measured to mackerel in two groups of patients with atopic dermatitis (1, 2) and in children (3). In Japan, many people appear to be allergic to mackerel but in some cases, this may actually be an allergy to the parasite Anisakis simplex (4). Members of the Scombroidae family easily form histamine during storage, ("scombroid poisoning"). Species within groups of fish, like Gadiformes (examples: codfish and hake) and Scombroid fishes (examples: mackerel and tuna) seem to share allergenic components. The overlap of allergen specificity between the groups seems to be moderate or even small.  

References

  1. Matsumaru S, Artia M et al. Clinical evaluation of Pharmacia CAP System new allergens for fish, vegetables, fruits and grains. Jap Soc Ped Allergol 1992.
  2. Lindqvist A, Ikezawa Z, Tanaka A, Yman L. Seafood specific IgE in atopic dermatitis. Ann Allergy 1993;70:58.
  3. Yamada M, Torii S. Clinical evaluation of Pharmacia CAP System new food and inhalant allergens. Japanese Soc Allergol 1992.
  4. Kasuya S, Hamano H, Izumi S. Mackerel-induced urticaria and Anisakis. Lancet 1990;335:665.

As in all diagnostic testing, the diagnosis is made by the physican based on both test results and the patient history.