Search Results - "Costa Gontijo, Douglas"

In Vitro and in Vivo Antimalarial Activity, Cytotoxicity and Phytochemical HRMS2 Profile of Plants from the Western Pará State, Brazilian Amazonia by Viana dos Santos, Maria Beatriz, Costa Gontijo, Douglas, Alves do Nascimento, Maria Fernanda, Paula, Renata Cristina, Bezerra Bellei, Jessica Correia, Raimundo, Felipe Oliveira, Gorza Scopel, Kézia Katiani, Oliveira, Alaíde Braga, Veras Mourão, Rosa Helena

“…Ethnopharmacology and botanical taxonomy are valid criteria used to selecting plants for antimalarial bioprospection purposes. Based on these two criteria,…”
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A Comprehensive View on (−)‐7‐Oxo‐ent‐kaur‐16‐en‐19‐oic Acid, the Major Constituent of Xylopia sericea Leaves Extract: Complete NMR Assignments, X‐Ray Crystallographic Structure, in Vitro Antimalarial Activity and Cytotoxicity by Costa Gontijo, Douglas, Fernanda Alves do Nascimento, Maria, Borgati, Tatiane Freitas, Speziali, Nivaldo Lúcio, Dias de Souza Filho, José, Braga de Oliveira, Alaíde

“…Bioguided fractionation of Xylopia sericea antiplasmodial dichloromethane leaves extract led to the isolation of (−)‐7‐oxo‐ent‐kaur‐16‐en‐19‐oic acid…”
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Antiplasmodial activity and cytotoxicity, isolation of active alkaloids, and dereplication of Xylopia sericea leaves ethanol extract by UPLC‐DAD‐ESI‐MS/MS by Gontijo, Douglas Costa, Brandão, Geraldo Célio, Nascimento, Maria Fernanda Alves do, Oliveira, Alaíde Braga de

“…Objectives To assess the antiplasmodial activity of the ethanol extract of Xylopia sericea leaves, Annonaceae, often associated with antimalarial use and to…”
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Phytochemistry and antiplasmodial activity of Xylopia sericea leaves by Gontijo, Douglas Costa, Nascimento, Maria Fernanda Alves do, Brandão, Geraldo Célio, Oliveira, Alaíde Braga de

“…Aiming to investigate the antiplasmodial activity and the phytochemical composition of Xylopia sericea leaves, the essential oil and dichloromethane extract…”
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In vitro antiplasmodial activity, targeted LC–MS metabolite profiling, and identification of major natural products in the bioactive extracts of Palicourea and Psychotria species from the Amazonia and Atlantic Forest biomes, Brazil by Gontijo, Douglas Costa, do Nascimento, Maria Fernanda Alves, Rody, Hugo Vianna Silva, Magalhães, Rodrigo Andrade, Margalho, Luciano Ferreira, Brandão, Geraldo Célio, de Oliveira, Alaíde Braga

“…Introduction A great variety of bioactive natural products has been reported for different Palicourea and Psychotria species (Rubiaceae). However, few of them…”
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Bioprospection for antiplasmodial activity, and identification of bioactive metabolites of native plants species from the Mata Atlântica biome, Brazil by Gontijo, Douglas Costa, Leite, João Paulo Viana, Nascimento, Maria Fernanda Alves do, Brandão, Geraldo Célio, Oliveira, Alaíde Braga de

“…A total of 33 extracts of eleven different plants species from Mata Atlântica biome, Brazil, and different fractions of the bioactive extracts were evaluated…”
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An update review on monoterpene indole alkaloids and biological activities of Tabernaemontana species occurring in Brazil by Soares Ribeiro Nogueira, Thalya, Gonçalves Curcino Vieira, Milena, Rodrigues da Silva Robaina, Renata, Braz-Filho, Raimundo, da Costa Gontijo, Douglas, Braga de Oliveira, Alaíde, Curcino Vieira, Ivo José

“…The Tabernaemontana genus belongs to the Apocynaceae family of which 30 species are found in Brazil. Some Tabernaemontana species are used by Brazilian…”
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Mangifera indica leaves extract and mangiferin modulate CB1 and PPARγ receptors and others markers associated with obesity by Brito, Larissa Froede, Gontijo, Douglas Costa, Toledo, Renata Celi Lopes, Barcelos, Rafael Mazioli, de Oliveira, Alaíde Braga, Brandão, Geraldo Célio, de Sousa, Lirlândia Pires, Ribeiro, Sônia Machado Rocha, Leite, João Paulo Viana, Fietto, Luciano Gomes, de Queiroz, José Humberto

“…[Display omitted] •Phytochemical characterization of ethanolic extract of the leaves from Mangifera indica.•Analyzes with extract of M. indica and its isolated…”
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Evaluation of the genotoxic potential of ethanolic extracts of stem bark and leaves of Bathysa cuspidata (A.St.-Hil.) Hook by Douglas Costa Gontijo, Líria Granato Nunes, Carlos Joulbert Alves Souza, Luciano Gomes Fietto, João Paulo Viana Leite

“…Bathysa cuspidata (A.St.-Hil.) Hook. is a native tree of the Brazilian Atlantic Forest biome, widely used in Brazilian herbal medicine. Despite its widespread…”
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Antioxidant study indicative of antibacterial and antimutagenic activities of an ellagitannin-rich aqueous extract from the leaves of Miconia latecrenata by Gontijo, Douglas Costa, Gontijo, Pablo Costa, Brandão, Geraldo Célio, Diaz, Marisa Alves Nogueira, de Oliveira, Alaíde Braga, Fietto, Luciano Gomes, Leite, João Paulo Viana

“…Ethnopharmacological relevance; Several plant species of Miconia genus are commonly used in Brazilian folk medicine as anti-inflammatory agents and for the…”
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Antiplasmodial and cytotoxic effects of the methanol extract, canthinone alkaloids, squalene- and protolimonoid-type triterpenes from Homalolepis suffruticosa roots by Boeno, Samyra Imad, Vieira, Ivo José Curcino, Braz-Filho, Raimundo, de Souza Passos, Michel, Curcino Vieira, Milena Gonçalves, do Nascimento, Maria Fernanda Alves, Gontijo, Douglas Costa, de Oliveira, Alaíde Braga

“…Different species of the Simaroubaceae family are used in traditional medicine to treat malaria. Among these is Homalolepis suffruticosa (syn. Simaba…”
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Antibacterial screening of plants from the Brazilian Atlantic Forest led to the identification of active compounds in Miconia latecrenata (DC.) Naudin by Rodrigues, Laís Azevedo, Almeida, Ayla das Chagas, Gontijo, Douglas Costa, Salustiano, Iorrana Vieira, Almeida, Alisson Andrade, Brandão, Geraldo Célio, Ribon, Andréa de Oliveira Barros, Leite, João Paulo Viana

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In Vitro and in Vivo Antimalarial Activity, Cytotoxicity and Phytochemical HRMS 2 Profile of Plants from the Western Pará State, Brazilian Amazonia by Viana Dos Santos, Maria Beatriz, Costa Gontijo, Douglas, Alves do Nascimento, Maria Fernanda, de Paula, Renata Cristina, Bezerra Bellei, Jessica Correia, Raimundo, Felipe Oliveira, Gorza Scopel, Kézia Katiani, de Oliveira, Alaíde Braga, Veras Mourão, Rosa Helena

“…Ethnopharmacology and botanical taxonomy are valid criteria used to selecting plants for antimalarial bioprospection purposes. Based on these two criteria,…”
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Identification of phenolic compounds and biologically related activities from Ocotea odorifera aqueous extract leaves by Gontijo, Douglas Costa, Brandão, Geraldo Célio, Gontijo, Pablo Costa, de Oliveira, Alaíde Braga, Diaz, Marisa Alves Nogueira, Fietto, Luciano Gomes, Leite, João Paulo Viana

“…•Antioxidant, antibacterial and antimutagenic activity of Ocotea odorifera leaves.•Rapid identification of bioactive flavonoids and tannins via…”
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Dereplication of Palicourea sessilis ethanol extracts by UPLC-DAD-ESI-MS/MS discloses the presence of hydroxycinnamic acid amides and the absence of monoterpene indole alkaloids by Samulski, Gabriela Bontempo, Gontijo, Douglas Costa, Moreira, Nayara Couto, Brandão, Geraldo Célio, Braga de Oliveira, Alaíde

“…Secondary metabolites characterization of ethanol extracts of Palicourea sessilis leaves and stems by UPLC-DAD-ESI-MS/MS led to putative identification of…”
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Assessment of the phenolic content, mutagenicity and genotoxicity of ethanolic extracts of stem bark and leaves from Strychnos pseudoquina A. St.-hil by Gontijo, Douglas Costa, Nunes, Líria Granato, Farias, Letícia Monteiro, Duarte, Maria Gorette Resende, Carvalho, André Furtado, Fietto, Luciano Gomes, Leite, João Paulo Viana

“…Strychnos pseudoquina is a plant species whose stem bark is used as bitter tonic beverage. The phytochemical analysis, as well as quantification of phenolic…”
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Phytochemical characterization and antioxidant, antibacterial and antimutagenic activities of aqueous extract from leaves of Alchornea glandulosa by Gontijo, Douglas Costa, Diaz, Marisa Alves Nogueira, Brandão, Geraldo Célio, Gontijo, Pablo Costa, Oliveira, Alaíde Braga de, Fietto, Luciano Gomes, Leite, João Paulo Viana

“…Plant extracts exist as a complex matrix which serves as a source of numerous bioactive metabolites. The ultra performance liquid chromatography with…”
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Himatanthus bracteatus stem extracts present anti-flavivirus activity while an isolated sesquiterpene glucoside present only anti-Zika virus activity in vitro by da Silva, Marlene Lourenço, Stehmann, João Renato, Serafim, Mateus Sá Magalhães, Vale, Valdicley Vieira, Gontijo, Douglas Costa, Brandão, Geraldo Célio, Kroon, Erna Geessien, de Oliveira, Alaíde Braga

“…The hexane and ethanol extracts from Himatanthus bracteatus (Apocynaceae) stems were evaluated for antiviral activity against Zika virus, yellow fever virus…”
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Antibacterial screening of plants from the Brazilian Atlantic Forest led to the identification of active compounds in Miconia latecrenata (DC.) Naudin by Rodrigues, Laís Azevedo, Almeida, Ayla das Chagas, Gontijo, Douglas Costa, Salustiano, Iorrana Vieira, Almeida, Alisson Andrade, Brandão, Geraldo Célio, Ribon, Andréa de Oliveira Barros, Leite, João Paulo Viana

“…Antibiotic resistance is a serious global threat to public health. This has promoted the research for new drug targets, and the use of other approaches, such…”
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The mutagenic, DNA-damaging and antioxidative properties of bark and leaf extracts from Coutarea hexandra (Jacq.) K. Schum by Nunes, Líria Granato, Gontijo, Douglas Costa, Souza, Carlos J.A, Fietto, Luciano Gomes, Carvalho, André Furtado, Leite, João Paulo Viana

“…Highlights ► We investigated the mutagenic potential of chemically characterized extracts. ► In the mutagenic potential analysis were used Ames test and…”
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