The present research consists of a qualitative and quantitative ethnobotanical survey of the medicinal plants sold in two fairs in Manaus, the Panair Municipal Fair and the Adolpho Lisboa Municipal Market. The species, families, use and chemical compounds, therapeutic indications were verified valuing the empirical knowledge acquired from the sellers and their life histories, in addition to the socioeconomic profile. The survey showed that 34 dehydrated species were distributed in (22 families), the plants were sold dry and used as medicine. The families of the most cited species were Fabaceae with 7 representatives, Lamiaceae with 4, Apocynaceae with 3 and verbenaceae with 2, the other families presented only one species. The objective of this study was to describe the chemical composition of each species mentioned by the sellers, together with the literature, showing that the plants present a great diversity of phytochemicals with potential to be used in pharmacological preparations with possible health benefits. phytochemicals (saponins, vitamin C, phenolic compounds among others), the most commercialized species of plants that were searched by the city of Manaus were also evaluated. These results confirm that populations living in Manaus still use medicinal plants as one of the ways to treat their most frequent diseases
Keywords: herbs, diversity, ethnobotany, folk medicine, commercialization.
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