Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Leda Mathias"'
Autor:
Alex Paulo Martins do Carmo, Marta Simone Mendonça Freitas, Liliane Corrêa Machado, Luan dos Santos Silva, Detony José Calenzani Petri, Júlia Caetano Vimercati, Carlos Roberto Ribeiro Matos, Leda Mathias, Ivo José Curcino Vieira, Almy Junior Cordeiro de Carvalho
Publikováno v:
Journal of Agriculture and Food Research, Vol 15, Iss , Pp 100968- (2024)
Jambu, a plant native to the Amazon, is rich in essential oils, particularly spilanthols and phytols. Although hydroponic cultivation of this vegetable is practiced, the process remains relatively understudied. In this context, this study aimed to as
Externí odkaz:
https://doaj.org/article/d477c084139b4907821bbebbf4f18002
Autor:
Jéssica da Silva Xarifa Gomes, Kíssila Gomes Barreto, Carlos Roberto Ribeiro Matos, Leda Mathias
Publikováno v:
Vértices, Vol 21, Iss 1, Pp 97-108 (2019)
As folhas da espécie Guapira pernambucensis foram submetidas à análise do perfil químico e avaliação das atividades antioxidante e citotóxica. Foi identificada a presença de triterpenos, esteroides, alcaloides, flavonoides, proantocianidinas
Externí odkaz:
https://doaj.org/article/77ee3b03d5684645a8e0ac6790af2e07
Publikováno v:
Química Nova, Vol 39, Iss 2, Pp 156-159 (2016)
A new sarpagine-type alkaloid, Na-methylrauflorine (1), was isolated from Rauvolfia capixabaetogether with isoreserpiline (2),Nb-oxide-isoreserpiline (3), ajmalicine (4), perakine (5) and vinorine (6) alkaloids. These compounds were characterized bas
Externí odkaz:
https://doaj.org/article/8f1e66cf16594321b927d37859b590bf
Autor:
Ildomar Alves do Nascimento, Raimundo Braz-Filho, Mário Geraldo de Carvalho, Leda Mathias, Fábio de Alcântara Fonseca
Publikováno v:
Química Nova, Vol 35, Iss 11, Pp 2159-2164 (2012)
This the first phytochemical investigation of Mimosa artemisiana (Leguminosae-Mimosoideae) describing the isolation and identification of quercitrin, myricitrin, 3,5,4´-trihydroxi-6,7-dimethoxyflavone (6,7-dimethylkaepferol), flavolignans, 3-O-β-D-
Externí odkaz:
https://doaj.org/article/531d726c369f46a0be20714034c11b95
Autor:
Marcia Terezinha Ramos de Oliveira, Pedro Amorim Berbert, Carlos Roberto Ribeiro Matos, Leda Mathias, Rafaela Oliveira Moreira
Publikováno v:
Química Nova, Vol 34, Iss 7, Pp 1200-1204 (2011)
Leaves and flower heads of P. brevipedunculata were submitted to four drying-air temperatures (room temperature, 40, 50 and 60 ºC). Room temperature (approximately 30 ºC) and higher temperature drying (50 and 60 ºC) had a deleterious effect on the
Externí odkaz:
https://doaj.org/article/fcdd72c9727b4a86a278e6cf452805a6
Autor:
Graziela Rangel Silveira, Karoline Azerêdo Campelo, Gleice Rangel Silveira Lima, Lais Pessanha Carvalho, Solange Silva Samarão, Olney Vieira-da-Motta, Leda Mathias, Carlos Roberto Ribeiro Matos, Ivo José Curcino Vieira, Edesio José Tenório de Melo, Edmilson José Maria
Publikováno v:
Molecules, Vol 23, Iss 4, p 774 (2018)
Most cinnamic acids, their esters, amides, aldehydes, and alcohols present several therapeutic actions through anti-inflammatory, antitumor, and inhibitory activity against a great variety of microorganisms. In this work, eight amines derived from ci
Externí odkaz:
https://doaj.org/article/fbc7d51a05d847309f42a25b47c88ccb
Autor:
Ivo J.C. Vieira, Walter L.B. Medeiros, Cecilia S. Monnerat, Jucimar J. Souza, Leda Mathias, Raimundo Braz-Filho, Angelo C. Pinto, Priscila M. Sousa, Claudia M. Rezende, Rosângela De A. Epifanio
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 80, Iss 3, Pp 419-426 (2008)
The pharmacotherapyfor Alzheimer's disease (AD) includes the use of acetylcholinesterase inhibitors (AChEI). Recent investigations for novel AD therapeutic agents from plants suggested that Tabernaemontana genus is a promising source of novel anticho
Externí odkaz:
https://doaj.org/article/99e8d62a2920406badafe041588912f9
Autor:
Desiely Silva Gusmão, Valéria Páscoa, Leda Mathias, Ivo José Curcino Vieira, Raimundo Braz-Filho, Francisco José Alves Lemos
Publikováno v:
Memorias do Instituto Oswaldo Cruz, Vol 97, Iss 3, Pp 371-375 (2002)
Aqueous suspension of ethanol extracts of Derris (Lonchocarpus) urucu (Leguminosae), collected in the state of Amazonas, Brazil, were tested for larvicidal activity against the mosquito Aedes aegypti (Diptera:Culicidae). The aim of this study was to
Externí odkaz:
https://doaj.org/article/d5260636cdf44e8fafcccadeb0c588a5
Publikováno v:
Química Nova, Vol 26, Iss 6, Pp 931-933 (2003)
Externí odkaz:
https://doaj.org/article/f928b59402794561b77094fcd6e6d84a
Autor:
Alex Paulo Martins do Carmo, Marta Simone Mendonça Freitas, Liliane Corrêa Machado, Luan dos Santos Silva, Detony José Calenzani Petri, Júlia Caetano Vimercati, Carlos Roberto Ribeiro Matos, Leda Mathias, Ivo José Curcino Vieira, Almy Junior Cordeiro de Carvalho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1db37774daee9d16d09cb23a2e20390f
https://doi.org/10.2139/ssrn.4431973
https://doi.org/10.2139/ssrn.4431973