Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Roosevelt A. Gomes"'
1
Akademický článek
Phytochemical investigation of Wissadula periplocifolia (L.) C. Presl and evaluation of its antibacterial activity
Autor: Yanna C. F. Teles, Roosevelt A. Gomes, Micaelly da S. Oliveira, Kaio L. de Lucena, José S. do Nascimento, Maria de Fátima Agra, John O. Igoli, Alexander I. Gray, Maria de Fátima V. de Souza
Publikováno v: Química Nova, Vol 37, Iss 9, Pp 1491-1495 (2014)
A phytochemical study on the aerial parts of Wissadula periplocifolia using chromatographic techniques has led to the isolation of sitosterol (1a), stigmasterol (1b), sitosterol 3-O-β-D-glucopyranoside (2a), stigmasterol 3-O-β-D-glucopyranoside (2b
Externí odkaz: https://doaj.org/article/891b4c60e4864a7c95bb022fee2941f8
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2
Akademický článek
Phenolic compounds from Sidastrum micranthum (A. St.-Hil.) fryxell and evaluation of acacetin and 7,4'-Di-O-methylisoscutellarein as motulator of bacterial drug resistence
Autor: Roosevelt A. Gomes, Rafael R. A. Ramirez, Jéssica Karina da S. Maciel, Maria de Fátima Agra, Maria de Fátima Vanderlei de Souza, Vivyanne S. Falcão-Silva, José P. Siqueira-Junior
Publikováno v: Química Nova, Vol 34, Iss 8, Pp 1385-1388 (2011)
From the aerial parts of Sidastrum micranthum (A. St.-Hil.) Fryxell (Malvaceae) were isolated m-methoxy-p-hydroxy-benzaldehyde, o-hydroxy-benzoic acid, acacetin, quercetin, 7,4′-Di-O-methylisoscutellarein, genkwanin and tiliroside. These compounds
Externí odkaz: https://doaj.org/article/355ea5615b514f2cb8e19886ec30689f
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3
Akademický článek
Secondary Metabolites from Sida rhombifolia L. (Malvaceae) and the Vasorelaxant Activity of Cryptolepinone
Autor: Maria de Fátima Vanderlei de Souza, Valdir Andrade Braga, Maria de Fátima Agra, Leônidas das Graças Mendes Junior, Marianne Guedes Fernandes, Anna Cláudia de Andrade Tomaz, Roosevelt Albuquerque Gomes, Otemberg Souza Chaves
Publikováno v: Molecules, Vol 18, Iss 3, Pp 2769-2777 (2013)
The phytochemical study of Sida rhombifolia L. (Malvaceae) led to the isolation through chromatographic techniques of eleven secondary metabolites: sitosterol (1a) and stigmasterol (1b), sitosterol-3-O-b-D-glucopyranoside (2a) and stigmasterol-3-O-b-
Externí odkaz: https://doaj.org/article/05b397aa7813462f83e9534455e86081
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4
Akademický článek
Total Phenolic Content and Antioxidant Activity of Some Malvaceae Family Species
Autor: Adriana Maria Fernandes de Oliveira, Lilian Sousa Pinheiro, Charlane Kelly Souto Pereira, Wemerson Neves Matias, Roosevelt Albuquerque Gomes, Otemberg Souza Chaves, Maria de Fátima Vanderlei de Souza, Reinaldo Nóbrega de Almeida, Temilce Simões de Assis
Publikováno v: Antioxidants, Vol 1, Iss 1, Pp 33-43 (2012)
The antioxidant activity of four species of the Malvaceae family (Sidastrum micranthum (A. St.-Hil.) Fryxell, Wissadula periplocifolia (L.) C. Presl, Sida rhombifolia (L.) E. H. L and Herissantia crispa L. (Brizicky)) were studied using the total phe
Externí odkaz: https://doaj.org/article/91968da1ab1d4b9f8c7822873e3eb882
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5
Characterization and anti-staphylococcal activity of the essential oil from Turnera subulata Sm
Autor: M.F.V. Souza, Maria de Fátima Agra, M.A.R. Vieira, Vivyanne S. Falcão-Silva, S.G. Brito-Filho, Roosevelt A. Gomes, José P. Siqueira-Júnior, Raimundo Nonato da Silva-Filho, Marianne G. Fernandes, M.O.M. Marques
Publikováno v: Revista Brasileira de Plantas Medicinais, Vol 16, Iss 3, Pp 534-538 (2014)
Revista Brasileira de Plantas Medicinais, Volume: 16, Issue: 3, Pages: 534-538, Published: SEP 2014
Revista Brasileira de Plantas Medicinais v.16 n.3 2014
Revista brasileira de plantas medicinais
Universidade Estadual Paulista (UNESP)
instacron:SBPM
The present study is pioneer in analyzing the chemical composition of the essential oil from aerial parts of Turnera subulata Sm. and evaluates their antibacterial activity against a panel of drug-resistant strains of Staphylococcus aureus. The aeria
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23a026656954f29bf7cadf345aceeed8
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-05722014000300009&lng=en&tlng=en
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6
Phytoconstituents from Sidastrum micranthum (A. St.-Hil.) Fryxell (Malvaceae) and antimicrobial activity of pheophytin a
Autor: Yanna Carolina Ferreira Teles, Roosevelt A. Gomes, Maria de Fátima Vanderlei de Souza, Maria de Fátima Agra, Fillipe de Oliveira Pereira, Luis Alberto de Sousa Rodrigues, Edeltrudes de Oliveira Lima
Publikováno v: Brazilian Journal of Pharmaceutical Sciences; Vol. 51 No. 4 (2015); 861-867
Brazilian Journal of Pharmaceutical Sciences; Vol. 51 Núm. 4 (2015); 861-867
Brazilian Journal of Pharmaceutical Sciences; v. 51 n. 4 (2015); 861-867
Brazilian Journal of Pharmaceutical Sciences
Universidade de São Paulo (USP)
instacron:USP
Brazilian Journal of Pharmaceutical Sciences, Vol 51, Iss 4, Pp 861-867 (2015)
Brazilian Journal of Pharmaceutical Sciences, Volume: 51, Issue: 4, Pages: 861-867, Published: DEC 2015
Sidastrum micranthum (A. St.-Hil.) Fryxell, a member of the Malvaceae family, is called malva preta in Brazil. As this species is commonly used to treat bronchitis, cough, and asthma, better knowledge of its chemical compounds is important. The phyto
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0b37cde4e23b9743c20fbc0e00bffe8
https://www.revistas.usp.br/bjps/article/view/118639
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7
Phenolic compounds from Sidastrum micranthum (A. St.-Hil.) fryxell and evaluation of acacetin and 7,4'-Di-O-methylisoscutellarein as motulator of bacterial drug resistence
Autor: Delby Fernandes de Medeiros, S. Maciel, Maria de Fátima, Maria de Fátima Agra, Rafael R. A. Ramirez, José P. Siqueira-Júnior, Vanderlei de Souza, Roosevelt A. Gomes
Publikováno v: Química Nova, Volume: 34, Issue: 8, Pages: 1385-1388, Published: 2011
Química Nova, Vol 34, Iss 8, Pp 1385-1388 (2011)
Química Nova v.34 n.8 2011
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
From the aerial parts of Sidastrum micranthum (A. St.-Hil.) Fryxell (Malvaceae) were isolated m-methoxy-p-hydroxy-benzaldehyde, o-hydroxy-benzoic acid, acacetin, quercetin, 7,4′-Di-O-methylisoscutellarein, genkwanin and tiliroside. These compounds
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ae53d2b627f05686f461da9114f3508
https://doi.org/10.1590/s0100-40422011000800016
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8
PHYTOCHEMICAL INVESTIGATION OFWissadula periplocifolia(L.) C. Presl AND EVALUATION OF ITS ANTIBACTERIAL ACTIVITY
Autor: John O. Igoli, Maria de Fátima Agra, Alexander I. Gray, José Soares do Nascimento, Micaelly da Silva Oliveira, Yanna Carolina Ferreira Teles, Maria de Fátima Vanderlei de Souza, Kaio L. de Lucena, Roosevelt A. Gomes
Publikováno v: Química Nova, Vol 37, Iss 9, Pp 1491-1495 (2014)
Química Nova, Volume: 37, Issue: 9, Pages: 1491-1495, Published: 2014
Química Nova v.37 n.9 2014
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
A phytochemical study on the aerial parts of Wissadula periplocifolia using chromatographic techniques has led to the isolation of sitosterol (1a), stigmasterol (1b), sitosterol 3-O-β-D-glucopyranoside (2a), stigmasterol 3-O-β-D-glucopyranoside (2b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb3523e631b6d9d519e5d36a39ac4823
https://doi.org/10.5935/0100-4042.20140238
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9
Mechanism of the antihypertensive and vasorelaxant effects of the flavonoid tiliroside in resistance arteries
Autor: Virginia S. Lemos, Roosevelt A. Gomes, Grazielle D. Silva, Steyner F. Cortes, Yanna Carolina Ferreira Teles, Maria de Fátima Vanderlei de Souza, Aline Carvalho Pereira, Bruno A. Rezende, José Paulo da Silva, Jader S. Cruz
Publikováno v: Planta medica. 79(12)
Hypertension is a leading cause of death and disability globally, and its prevalence continues to accelerate. The cardiovascular effects of the flavonoid tiliroside have never been reported. In this work, using complementary in vivo and in vitro appr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9a6ef45862ad2109d630e506fea9a8d
https://pubmed.ncbi.nlm.nih.gov/23877918
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10
Total Phenolic Content and Antioxidant Activity of Some Malvaceae Family Species
Autor: Lilian Sousa Pinheiro, Otemberg Souza Chaves, Reinaldo Nóbrega de Almeida, Temilce Simões de Assis, Roosevelt A. Gomes, Charlane Kelly Souto Pereira, Wemerson Neves Matias, Maria de Fátima Vanderlei de Souza, Adriana Maria Fernandes de Oliveira
Publikováno v: Antioxidants
Antioxidants; Volume 1; Issue 1; Pages: 33-43
Antioxidants, Vol 1, Iss 1, Pp 33-43 (2012)
The antioxidant activity of four species of the Malvaceae family (Sidastrum micranthum (A. St.-Hil.) Fryxell, Wissadula periplocifolia (L.) C. Presl, Sida rhombifolia (L.) E. H. L and Herissantia crispa L. (Brizicky)) were studied using the total phe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9566d21998484e2ac391235259a53339
https://pubmed.ncbi.nlm.nih.gov/26787614
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