Bertholletia excelsa is indigenous to tropical Amazonia – French Guiana, Surinam, Guyana, Bolivia, Venezuela, Brazil, Peru, and Amazonian Colombia. It forms large forests on the banks of the Amazons and Rio Negro, and likewise about Esmeraldas, on the Orinoco. It is most prevalent in the Brazilian states of Marahao, Mato Grosso, Acre, Para, Rondonia, and the Amazonas. Brazil nuts are harvested almost entirely from wild trees. Brazil nuts have been harvested from plantations but production is low and it is currently not economically viable.
KeywordsSodium Selenite Trolox Equivalent Antioxidant Capacity Betulinic Acid Dietary Selenium Trypanocidal Activity
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