The leaves are elliptical-to-oblong in shape with smooth margins. The trunk is usually short with branches close to the ground and having 3 to 14 leaves, that are spirally arranged on each stem. This tree grows to a height of about 5 to 14 m, with the canopy as wide as 20 m. Extensive cross-reactivity has been reported between cashew nuts and pistachio, and to some extent with other tree nuts, such as hazelnut, walnut and peanut, and also with citrus seeds.Īnacardium occidentale, also referred to as cashew, is a tropical, evergreen, large tree that belongs to the family Anacardiaceae (1). Importantly, the major food allergens found in cashew nuts are Ana o 1, Ana o 2 and Ana o 3. Furthermore, atopic conditions, like asthma, allergic rhinitis, rhino-conjunctivitis and atopic dermatitis may also be observed. These allergic reactions include skin lesions (urticaria and angioedema), gastrointestinal symptoms (abdominal pain and vomiting) and even anaphylaxis. Oral ingestion or direct contact with skin/mucosa are the two routes of cashew nut exposure causing allergic reactions in individuals. ![]() Cashews are salt-loving species, that prefer growing in warm and humid climate with optimum temperature ranging from 22 to 32℃. Cashew nuts are consumed, either in raw or roasted form, as snacks or used in butter, sweets, confectionery items, chocolates, and ice-creams. This hard shell consists of toxic oily fluid, containing allergenic phenolic molecules inside it, however the kernels/nuts are protected from this toxic oil by a film. The unique features of this tree are its fruits that consists of a pseudofruit (cashew apple), which develops as a yellowish-red swollen peduncle and a true fruit, that evolves enclosing a kidney-shaped nut inside a double hard shell, growing at the end of the apple. ![]() It is a very versalile crop that grows commercially in many parts of the world. ![]() Cashew is a tropical, evergreen tree that belongs to Anacardiaceae family.
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