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The Brazil nut (Bertholletia excelsa) is a South American tree in the family Lecythidaceae, and it is also the name of the tree's commercially harvested edible seeds. It is one of the largest and longest-lived trees in the Amazon rainforest. The fruit and its nutshell – containing the edible Brazil nut – are relatively large, possibly weighing as much as 2 kg (4 lb 7 oz) in total weight. As food, Brazil nuts are notable for diverse content of micronutrients, especially a high amount of selenium. The wood of the Brazil nut tree is prized for its quality in carpentry, flooring, and heavy construction.[1]

巴西坚果（Bertholletia excelsa）是Lecythidaceae科的一种南美树，它也是该树商业收获的可食用种子的名称。它是亚马逊雨林中最大、寿命最长的树木之一。含有可食用巴西坚果的果实及其果壳相对较大，总重量可能高达 2 公斤（4 磅 7 盎司）。作为食物，巴西坚果以多种微量营养素含量而著称，尤其是大量的硒。巴西坚果树的木材因其在木工、地板和重型建筑中的质量而备受推崇。 [1]