![]() Most of these reports have concerned small children.Īs pistachio nuts, and foods containing them, are introduced into more countries, more reactions are likely to be seen.Īnaphylaxis to pistachio has been described in 3 individuals who were allergic to both mango and pistachio nut.Ī 28-year-old man experienced episodes of generalised itching and hives, profuse sweating, abdominal pain, nausea and vomiting immediately after eating peanut, peach, paprika, hazelnut or mango, on different occasions. Pistachio may uncommonly cause symptoms of food allergy in sensitised individuals.Īdverse reactions are similar to those seen with other tree nuts and include symptoms of oral allergy and food allergy, cutaneous manifestations, angioedema and severe anaphylaxis. Pistachio Allergy Test: Clinical Experience ![]() The possibility of pectin allergy should be considered in cashew- or pistachio-allergic patients who have unexplained allergic reactions. In a study of 42 children with Cashew allergy, 7 had an associated food allergy to pistachio.Ĭross-reactivity was also found between pistachio nut and mango seed, but not mango pulp.Ĭross-reactivity has been demonstrated between pistachio, peanut, walnut and sunflower seed.Ĭross-reactivity has also been reported to occur among allergens in sesame seed and allergens in other foods, including hazelnut, rye, kiwi, poppy seed, black walnut, cashew, macadamia, pistachio, and peanut.Ĭross-reactivity with other lipid transfer protein-containing foods is possible.Ĭashew nut, and possibly pistachio nut, allergy may be associated with pectin allergy. The close relationships among the Anacardiaceae suggest cross-reactivity, and this is supported by studies demonstrating cross-reactivity between cashew and pistachio. Pistachio Allergy Test: Potential Cross-Reactivity Pistachio Allergy Test: Allergen DescriptionĪ number of allergens present in pistachio nut have been isolated, and some characterised, including an albumin, a globulin, a vicilin-like protein and a magnesium superoxide dismutase.Ī lipid transfer protein (LTP) may be present. Pistachio nuts are reported to be highly flammable when stored in large quantities, and are prone to self-heating and spontaneous combustion. Oil is processed from the seed and may pose a threat to patients with allergy, depending on the method of manufacture and processing. ![]() They are also eaten roasted and salted as a popular snack. Pistachio nuts are widely used in the catering industry in ice creams, cakes and other confectionery, mortadella (an Italian cooked sausage) and oriental dishes. The pistachio shell is sometimes dyed red for commercial sale. As the nut ripens the shell splits open, sometimes producing an audible popping sound, but enough closure remains that the nut is not released from the shell. Pistachio nuts are small, green, edible nuts (technically drupes) with a hard whitish shell in two segments. It is related to the mango and cashew nut. The pistachio tree is native to the mountainous regions of central and south-western Asia, but is now cultivated in other parts of the world, particularly in California and Australia. Pistachio Allergy Test: Allergen Exposure Pistachio is a food which may result in allergy symptoms in sensitised individuals.
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