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"Mineral evaluation of the species Alternanthera brasiliana (L.) Kuntze andBouchea fl uminensis (Vell) Mold.". Alternanthera brasiliana and Bouchea fl uminensis are plants widely distributed in South America. These plants are used by native populations as analgesic and anti-infl ammatory agent. The aim of this paper was to assay the total ashes and mineral content in both species. The levels of total ashes in leaves of A. brasiliana and B. fl uminensis were 13.23% ± 0.47 and 8.28% ± 0.07, respectively. The analysis of macro and micronutrients content in leaves of A. brasiliana shown as main components, nitrogen (3.13%) and manganese (0.296%). However, in B. fl uminensis they were calcium (3.08%) and iron (0.256%). These data are very useful for the quality control and standardization of the plant raw materials, and support their use as nutritional agents.