Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Emmanoel Vilaça Costa"'
Autor:
Estela Mesquita Marques, Raiene Lisboa Rocha, Clenilma Marques Brandão, Júlia Karla Albuquerque Melo Xavier, Marcos Bispo Pinheiro Camara, Caritas de Jesus Silva Mendonça, Roberto Batista de Lima, Melissa Pires Souza, Emmanoel Vilaça Costa, Renato Sonchini Gonçalves
Publikováno v:
Pharmaceutics, Vol 16, Iss 10, p 1337 (2024)
Background/Objectives: Arboviruses, transmitted by mosquitoes like Aedes aegypti, pose significant public health challenges globally, particularly in tropical regions. The rapid spread and adaptation of viruses such as Dengue, Zika, and Chikungunya h
Externí odkaz:
https://doaj.org/article/ba8b5166f32247599abf65c84470292e
Autor:
Jane Cristina Lara Ribeiro, Estevan Bruginski, Tatiana Zuccolotto, Alan Diego da Conceição Santos, Larissa Mendes Bomfim, Suellen Laila Andrade Rocha, Andersson Barison, Guilherme Sassaki, Sócrates Cabral de Holanda Cavalcanti, Emmanoel Vilaça Costa, Milena Botelho Pereira Soares, Daniel Pereira Bezerra, Francinete Ramos Campos
Publikováno v:
Brazilian Journal of Pharmaceutical Sciences, Vol 57 (2021)
The seed oil of Annona salzmannii A. DC. was analyzed by GC-MS and 1H qNMR, revealing a mixture of unsaturated (80.5%) and saturated (18.7%) fatty acids. Linoleic (45.3%) and oleic (33.5%) acid were the major unsaturated fatty acids identified, while
Externí odkaz:
https://doaj.org/article/6c7a4ffee2fa42ee86c8067c374c537d
Autor:
Anita Eugênia Alencar Santos Ribeiro, Juliana Mikaely Dias Soares, Helder Anderson Lima Silva, Carlos Wagner de Souza Wanderley, Celuane Alves Moura, Raimundo Gonçalves de Oliveira-Junior, Ana Paula de Oliveira, Larissa Araújo Rolim, Emmanoel Vilaça Costa, Jackson Roberto Guedes da Silva Almeida, Helinando Pequeno de Oliveira, Raimundo Campos Palheta-Junior
Publikováno v:
Biomedicine & Pharmacotherapy, Vol 111, Iss , Pp 1046-1056 (2019)
Background: Bothropic venoms cause intense local damage, pain, edema, and myonecrosis. Morus nigra L. (Moraceae) has several uses in folk medicine and can be a promising candidate for the treatment of several inflammatory disorders. Hypothesis/Purpos
Externí odkaz:
https://doaj.org/article/39f98edd8f1b4b7e9aaa9eac9a92a5e0
Autor:
Iara Lisboa de Matos, Samísia Maria Fernandes Machado, Adauto Ribeiro de Souza, Emmanoel Vilaça Costa, Angelita Nepel, Andersson Barison, Péricles Barreto Alves
Publikováno v:
Química Nova, Vol 38, Iss 10, Pp 1289-1292 (2015)
The chemical composition of the essential oil and hydrolates of Campomanesia viatoris Landrum were investigated by gas chromatography/mass spectrometry (GC/MS) and a GC flame ionization detector (GC-FID). The major constituents were tasmanone (70.50,
Externí odkaz:
https://doaj.org/article/fa8d1a64630141a2bed65afe991d0c2b
Autor:
Emmanoel Vilaça Costa, Marília Fernanda Chaves Sampaio, Marcos José Salvador, Angelita Nepel, Andersson Barison
Publikováno v:
Química Nova, Vol 38, Iss 6, Pp 769-776 (2015)
The phytochemical investigation of the stem bark of Annona pickelii yielded four steroids (β-sitostenone, β-sitosterol, stigmasterol and campesterol), three lignans (eudesmin, magnolin and yangambin), twelve alkaloids (liriodenine, lysicamine, athe
Externí odkaz:
https://doaj.org/article/f949911b2fbc4596945ffb70db3b066c
Autor:
Viviane Barros Silva, Daniele Lima Travassos, Angelita Nepel, Andersson Barison, Emmanoel Vilaça Costa, Luciana Scotti, Marcus Tulius Scotti, rancisco Jaime Bezerra Mendonça-Junior, Roseli La Corte dos Santos, Sócrates Cabral de Holanda Cavalcanti
Publikováno v:
Journal of Arthropod-Borne Diseases, Vol 11, Iss 2 (2017)
Background: Thymol and carvacrol have previously demonstrated larvicidal activity against Aedes aegypti (Diptera: Culicidae). In view of this fact, it was of our interest to obtain synthetic derivatives and evaluate their larvicidal activity on Ae.
Externí odkaz:
https://doaj.org/article/f74c01152da84700985e53aab24d22f8
Autor:
Darlisson de Alexandria Santos, Péricles Barreto Alves, Emmanoel Vilaça Costa, Clovis Roberto Pereira Franco, Angelita Nepel, Andersson Barison
Publikováno v:
Química Nova, Vol 37, Iss 6, Pp 977-981 (2014)
Analysis of the volatile fraction of Aristolochia trilobata stem led to the identification of 6-methyl-5-hepten-2-yl acetate (23.31 ± 0.28%), limonene (15.43 ± 0.030%), linalool (8.70 ± 0.29%), p-cymene (7.81 ± 0.12%), bicyclogermacrene (4.21 ±
Externí odkaz:
https://doaj.org/article/7ba99e129b144a53969b1de6c231f0f3
Autor:
Renyer Alves Costa, Maria Lucia Belem Pinheiro, Kelson Mota Teixeira de Oliveira, Andersson Barison, Kahlil Schwanka Salomé, Júlio Rodolfo Iank, Noam Gadelha da Silva, Tiara Souza Cabral, Emmanoel Vilaça Costa
Publikováno v:
Journal of Chemistry, Vol 2016 (2016)
A detailed structural analysis and spectral behavior of the glucoalkaloid strictosidine, a precursor of all monoterpene indole alkaloids, are discussed. The experimental NMR, FTIR, and UV results were compared to the theoretical DFT spectra calculate
Externí odkaz:
https://doaj.org/article/6eb91293fde0400c98ddd63a81275e12
Autor:
Sandra Santos Ribeiro, Thanany Brasil da Silva, Valéria Regina de Souza Moraes, Paulo Cesar de Lima Nogueira, Emmanoel Vilaça Costa, Antônio Rogério Bernardo, Andreia Pereira Matos, Batista Fernandes, Maria Fátima das Graças Fernandes da Silva, Ângela Maria dos Santos Pessoa, Renata Silva-Mann
Publikováno v:
Química Nova, Vol 35, Iss 11, Pp 2218-2221 (2012)
The biological activity of seven extracts from leaves of different Jatropha curcas L (Euphorbiaceae) accessions was evaluated on Spodoptera frugiperda. Methanol extracts were incorporated into an artificial diet and offered to the larval stage of S.
Externí odkaz:
https://doaj.org/article/bf1a828606604dc8adf596cb423787e3
Autor:
Dayanne Meneses Silva, Emmanoel Vilaça Costa, Paulo Cesar de Lima Nogueira, Valéria Regina de Souza Moraes, Sócrates Cabral de Holanda Cavalcanti, Marcos José Salvador, Luis Henrique Gonzaga Ribeiro, Fernanda Ramos Gadelha, Andersson Barison, Antonio Gilberto Ferreira
Publikováno v:
Química Nova, Vol 35, Iss 8, Pp 1570-1576 (2012)
Phytochemical investigation of the hexane extract from the stem of Xylopia laevigata led to the isolation of the ent-kaurane diterpenoids, ent-kaur-16-en-19-oic acid, 4-epi-kaurenic acid, ent-16β-hydroxy-17-acetoxy-kauran-19-al, ent-3β-hydroxy-kaur
Externí odkaz:
https://doaj.org/article/7f987a487cd94f02b38b578dc1ebb259