Search Results - "Lucienir Pains Duarte"

Isolation and In Vitro Biological Evaluation of Triterpenes from Salacia grandifolia Leaves by Renan Oliveira, Leila, Sá Magalhães Serafim, Mateus, Lanza Dias, Diego, Freitas, Túlio Resende, Abrahao, Jonatas Santos, de Medeiros Antar, Guilherme, Mota, Bruno E. F., Sabino, Adriano de Paula, Pains Duarte, Lucienir, Vidal, Diogo Montes, Faria de Sousa, Grasiely

“…Salacia grandifolia is naturally found in the Atlantic Forest regions of Brazil. Despite the pharmacological potential of plants from the Salacia genus,…”
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Leaf morphoanatomy of the medicinal Maytenus imbricata (Celastraceae): an ecological approach by Ribeiro-de Souza, Silvia, Trindade, Izabel Cristina, Mercadante-Simões, Maria Olívia, Pains-Duarte, Lucienir, Silva, Grácia Divina de Fátima, Messias, Maria Cristina Teixeira Braga, Santos, Ariadna Conceição dos, Vieira-Filho, Sidney Augusto

“…Background. The leaves of many species of Maytenus are used to prepare herbal drugs to treat stomach ulcers. Questions. In order to define key anatomical…”
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Anti-angiogenic activity and safety of intraocular application of triterpenes by Toledo, Cibele Rodrigues, Pereira, Vinicius Viana, Duarte, Lucienir Pains, Sousa, Grasiely Faria, Silva-Cunha, Armando

“…Purpose Assessment of the anti-angiogenic activity and the safety of ophthalmic use of four pentacyclic triterpenes (friedelin, friedelinol, lupenone, and…”
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Flavonoids and Triterpenoids Isolated From the Ethyl Acetate Extract of M. quadrangulata Leaves by Aguilar, Mariana Guerra, Veríssimo Morais Quintão, Sandy, Camargo, Karen Caroline, Pains Duarte, Lucienir, Vasconcelos, Laisa Resende, Magalhães, José Carlos, Sousa, Grasiely Faria

“…The new flavonoid (−)‐4’‐O‐methylepicatechin 5‐O‐β‐D‐glucopyranoside (1), along with four known triterpenes (2‐5), a steroid (6), and a flavonoid (7) were…”
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Pentacyclic Triterpenoids Isolated from Celastraceae: A Focus in the 13C-NMR Data by Camargo, Karen Caroline, de Aguilar, Mariana Guerra, Moraes, Acácio Raphael Aguiar, de Castro, Raquel Goes, Szczerbowski, Daiane, Miguel, Elizabeth Luciana Marinho, Oliveira, Leila Renan, Sousa, Grasiely Faria, Vidal, Diogo Montes, Duarte, Lucienir Pains

“…The Celastraceae family comprises about 96 genera and more than 1.350 species, occurring mainly in tropical and subtropical regions of the world. The species…”
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Chemical constituents of Salacia elliptica (Celastraceae) by Duarte, Lucienir Pains, Figueiredo, Rute Cunha, Sousa, Grasiely Faria de, Soares, Débora Barbosa da Silva, Rodrigues, Salomão Bento Vasconcelos, Silva, Fernando César, Silva, Grácia Divina de Fátima, Vieira Filho, Sidney Augusto

“…The chemical investigation of Salacia elliptica allowed to the isolation of 20 constituents: two polyols, one xanthone, a mixture of long chain hydrocarbons,…”
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Lupeol Stearate Accelerates Healing and Prevents Recurrence of Gastric Ulcer in Rodents by Somensi, Lincon Bordignon, Costa, Philipe, Boeing, Thaise, Bolda Mariano, Luísa Nathália, de Gregório, Elizama, E Silva, Aline Teixeira Maciel, Longo, Bruna, Locatelli, Claudriana, de Souza, Priscila, Magalhães, Cássia Gonçalves, Pains Duarte, Lucienir, da Silva, Luisa Mota

“…Objective. The focus of this study was to evaluate the gastric healing effect of lupeol stearate (LS) and its ability to minimize ulcer recurrence in rodents…”
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Cytotoxic Activity of Triterpenoids from Cheiloclinium cognatum Branches against Chronic and Acute Leukemia Cell Lines by Gonçalves Pereira, Rafael César, Gontijo Evangelista, Fernanda Cristina, Santos Júnior, Valtair Severino, Paula Sabino, Adriano, Gonçalves Maltarollo, Vinícius, Freitas, Rossimiriam Pereira, Pains Duarte, Lucienir

“…Cheiloclinium cognatum (Miers) A.C.Sm. is an endemic species of Brazilian Cerrado that belongs to Celastraceae family. The phytochemical study of C. cognatum…”
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Lupeol and its esters: NMR, powder XRD data and in vitro evaluation of cancer cell growth by Silva, Aline Teixeira Maciel e, Magalhães, Cássia Gonçalves, Duarte, Lucienir Pains, Mussel, Wagner da Nova, Ruiz, Ana Lucia Tasca Gois, Shiozawa, Larissa, Carvalho, João Ernesto de, Trindade, Izabel Cristina, Vieira Filho, Sidney Augusto

“…The triterpene lupeol (1) and some of its esters are secondary metabolites produced by species of Celastraceae family, which have being associated with…”
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PHYTOCHEMICAL AND BIOLOGICAL STUDIES OF CONSTITUENTS FROM ROOTS OF Salacia crassifolia (CELASTRACEAE) by dos Santos, Josana, Oliveira, Willian, Vieira-Filho, Sidney, Pereira, Rafael, de Souza, Grasiely, Gouveia, Viviane, Sabino, Adriano, Evangelista, Fernanda, Takahashi, Jacqueline, Moura, Marília, Almeida, Filipe, Duarte, Lucienir

“…Salacia crassifolia traditionally known as “Bacupari-do-Cerrado” is used to treat kidney problems, and as a healing agent for coughs and malaria. The…”
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Combined experimental powder X-ray diffraction and DFT data to obtain the lowest energy molecular conformation of friedelin by Oliveira, Djalma Menezes de, Mussel, Wagner da Nova, Duarte, Lucienir Pains, Silva, Grácia Divina de Fátima, Duarte, Hélio Anderson, Gomes, Elionai Cassiana de Lima, Guimarães, Luciana, Vieira Filho, Sidney A.

“…Friedelin molecular conformers were obtained by Density Functional Theory (DFT) and by ab initio structure determination from powder X-ray diffraction. Their…”
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Microwave assisted green synthesis of aryl methoxylated benzamides and 2-oxazolines from biomass by Okuma Adriana Akemi, Antônio Daphne Chiara, Carazza Fernando, Duarte Lucienir Pains

“…This paper presents a simple, rapid and efficient green synthesis of aryl methoxylated benzamides and 2-oxazolines from renewable Eucalyptus biomass – tar…”
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Chemical constituents isolated from roots of Maytenus acanthophylla Reissek (Celastraceae) by de Oliveira, Djalma Menezes, Silva, Grácia Divina de Fátima, Duarte, Lucienir Pains, Vieira Filho, Sidney Augusto

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Lupane Pentacyclic Triterpenes Isolated from Stems and Branches of Maytenus imbricata (Celastraceae) by Ribeiro de Souza e Silva, Silvia, de Fátima Silva, Gracia Divina, de Almeida Barbosa, Luca Cláudio, Duarte, Lucienir Pains, Filho, Sidney Augusto Vieira

“…Four lupane pentacyclic triterpenes were isolated from the hexane extract of stems and branches of Maytenus imbricata Mart. ex Reissek:…”
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Stereochemistry of 16a-hydroxyfriedelin and 3-Oxo-16-methylfriedel-16-ene established by 2D NMR spectroscopy by Duarte, Lucienir Pains, Silva de Miranda, Roqueline Rodrigues, Rodrigues, Salomão Bento Vasconcelos, de Fátima Silva, Grácia Divina, Vieira Filho, Sidney Augusto, Knupp, Vagner Fernandes

“…Friedelin (1), 3beta-friedelinol (2), 28-hydroxyfriedelin (3), 16alpha-hydroxyfriedelin (4), 30-hydroxyfriedelin (5) and 16alpha,28-dihydroxyfriedelin (6) were…”
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Triterpene Esters Isolated from Leaves of Maytenus salicifolia Reissek by de Miranda, Roqueline Rodrigues Silva, de Fátima Silva, Grácia Divina, Duarte, Lucienir Pains, Filho, Sidney Augusto Vieira

“…The triterpene ester (3β)‐olean‐18‐en‐3‐yl stearate (1), together with (3β)‐urs‐12‐en‐3‐yl stearate (2), and (3β)‐lup‐20(29)‐en‐3‐yl stearate (3) were isolated…”
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In vitro activity of 2-pyridinecarboxylic acid against trypanosomes of the subgenus Schizotrypanum isolated from the bat Phyllostomus hastatus/Atividade in vitro do acido 2-piridinocarboxilico em tripanossoma do subgenero Schizotrypanum isolado do morcego Phyllostomus hastatus by Correa, Paulo Roberto Ceridoreo, Pinto, Artur da Silveira, Silva, Gracia Divina de Fatima, Filho, Sidney Augusto Vieira, Duarte, Lucienir Pains, Yamada-Ogatta, Sueli Fumie

“…The effect of 2-pyridinecarboxylic acid (picolinic acid) on trypanosomes of the subgenus Schizotrypanum isolated from the bat Phyllostomus hastatus was…”
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Uncoupling and inhibition properties of 3,4-seco-friedelan-3-oic acid isolated from Maytenus imbricata by Ribeiro de Souza e Silva, Silvia, Silva, Grácia Divina de Fátima, Barbosa, Luiz Claúdio de Almeida, Duarte, Lucienir Pains, King-Diaz, Beatriz, Archundia-Camacho, Francisco, Lotina-Hennsen, Blas

“…3,4-Seco-friedelan-3-oic acid was isolated from Maytenus imbricata (Celastraceae). At low concentrations it inhibited non-cyclic electron transport and ATP…”
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Laticifer ontogenesis and the chemical constituents of Marsdenia zehntneri (Apocynaceae) latex in a semiarid environment by Marques, Hellen Karla Oliveira, Figueiredo, Maria Gabriela Ferreira, de Souza Pio, Willian Samuel, Ribeiro, Leonardo Monteiro, de Azevedo, Islaine Franciely Pinheiro, Duarte, Lucienir Pains, de Sousa, Grasiely Faria, de Aguilar, Mariana Guerra, Mercadante-Simões, Maria Olívia

“…Main conclusion Anastomosed laticifers with intrusive growth produce latex containing methyl comate and betulin with economic and ecological value in arid…”
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Synthesis and Antimicrobial Activity of Ursolic Acid Ester Derivatives by Pereira, Vinicius Viana, Pereira, Nara Rúbia, Pereira, Rafael César Gonçalves, Duarte, Lucienir Pains, Takahashi, Jacqueline Aparecida, Silva, Roqueline Rodrigues

“…Infections caused by microorganisms are a major cause of morbidity and mortality worldwide, and natural products continue to be important sources for the…”
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