Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Gerardo Magela Vieira"'
Autor:
Patrícia Zanco, Stela Regina Ferrarini, Letícia Cruz, Luana Mota Ferreira, Rogério de Campos Bicudo, Larissa Cavalheiro, Gerardo Magela Vieira Júnior, Marina Mariko Sugui
Publikováno v:
Brazilian Journal of Pharmaceutical Sciences, Vol 58 (2022)
Abstract Pyrostegia venusta (Ker Gawl.) Miers, popularly known as “Cipó-de São-João”, has been used in traditional medicine for its therapeutic properties. Nanotechnology is able to enhance the pharmacological activity of plant extracts. In th
Externí odkaz:
https://doaj.org/article/4c9972bd62ea4b9f92a23e24da0bde31
Autor:
Adonias Almeida Carvalho, Lucivania Rodrigues dos Santos, Jurema Santana de Freitas, Renato Pinto de Sousa, Ruth Raquel Soares de Farias, Gerardo Magela Vieira Júnior, Mahendra Rai, Mariana Helena Chaves
Publikováno v:
Arabian Journal of Chemistry, Vol 15, Iss 5, Pp 103765- (2022)
The aqueous fraction obtained by the partition of the ethanolic extract from leaves of Machaerium acutifolium (Fabaceae-Papilionoideae) was analyzed by high-performance liquid chromatography with a diode array detector (HPLC-DAD) and direct insertion
Externí odkaz:
https://doaj.org/article/8372b2a42a62489589befcca95be0cc3
Autor:
Angellica Fernandes de OLIVEIRA, Lindsey CASTOLDI, Gerardo Magela VIEIRA JUNIOR, Evaldo dos Santos MONÇÃO FILHO, Mariana Helena CHAVES, Domingos de Jesus RODRIGUES, Marina Mariko SUGUI
Publikováno v:
Acta Amazonica, Vol 49, Iss 2, Pp 145-151 (2019)
ABSTRACT The skin secretion from toads of the Bufonidae family has great potential in the search for new active compounds to be used as drug candidates in treating some diseases, among them cancer. In this context, this study aimed to evaluate the cy
Externí odkaz:
https://doaj.org/article/271b124b32d646128a31524b6f798577
Autor:
Livia Deice Raasch-Fernandes, Solange Maria Bonaldo, Domingos de Jesus Rodrigues, Gerardo Magela Vieira-Junior, Kátia Regina Freitas Schwan-Estrada, Camila Rocco da Silva, Ana Gabriela Araújo Verçosa, Daiane Lopes de Oliveira, Bryan Wender Debiasi
Publikováno v:
PLoS ONE, Vol 14, Iss 1, p e0211020 (2019)
Cutaneous secretions produced by amphibians of the family Bufonidae are rich sources of bioactive compounds that can be useful as new chemical templates for agrochemicals. In crop protection, the use of elicitors to induce responses offers the prospe
Externí odkaz:
https://doaj.org/article/ab5179edd44343f297c7b159b408491b
Autor:
Ana Carla Guidini Valentini Gheller, Jacqueline Kerkhoff, Gerardo Magela Vieira Júnior, Kleber Eduardo de Campos, Marina Mariko Sugui
Publikováno v:
The Scientific World Journal, Vol 2017 (2017)
Hibiscus sabdariffa L. is a plant of the Malvaceae family, commonly known as roselle. H. sabdariffa is known to contain antioxidant, cholesterol-lowering, antiobesity, insulin resistance reduction, antihypertensive, and skin cancer chemopreventive pr
Externí odkaz:
https://doaj.org/article/e5adfb8ec4e9406e9c61097c0a238c04
Autor:
Mariane Cruz Costa Ayres, Mariana H. Chaves, Daniel Rinaldo, Wagner Vilegas, Gerardo Magela Vieira Júnior
Publikováno v:
Química Nova, Vol 32, Iss 6, Pp 1509-1512 (2009)
Phytochemical investigation of ethanolic leaves extracts of T. fagifolia led to the isolation of (+)-catechin, sitosterol-3-O-β-D-glucopyranoside, α- and β-tocopherol, a mixture of lupeol, α- and β-amyrin, sitosterol and a mixture of glicosid fl
Externí odkaz:
https://doaj.org/article/e04c0080c0ee486ab3cf63f4625b6260
Autor:
Mariane Cruz Costa Ayres, Samuel Portela Escórcio, Danielly Albuquerque da Costa, Mariana H. Chaves, Gerardo Magela Vieira Júnior, Alberto J. Cavalheiro
Publikováno v:
Química Nova, Vol 31, Iss 6, Pp 1481-1484 (2008)
Phytochemical investigation from leaves of the Qualea grandiflora (Vochysiaceae) resulted in the isolation and identification of kaempferol-3-O-α-L-(4"-E-p-coumaroyl)-rhamnoside, kaempferol-3-O-α-L-(4"-Z-p-coumaroyl)-rhamnoside, squalene, phytol, l
Externí odkaz:
https://doaj.org/article/0903e3df307d4211858a79776e4de292
Autor:
Cleyton Marcos de M. Sousa, Hilris Rocha e Silva, Gerardo Magela Vieira-Jr., Mariane Cruz C. Ayres, Charllyton Luis S. da Costa, Delton Sérvulo Araújo, Luis Carlos D. Cavalcante, Elcio Daniel S. Barros, Paulo Breitner de M. Araújo, Marcela S. Brandão, Mariana H. Chaves
Publikováno v:
Química Nova, Vol 30, Iss 2, Pp 351-355 (2007)
This paper describes total phenolics content and antioxidant activity in the ethanolic extract of leaves, bark and roots of five medicinal plants: Terminalia brasiliensis Camb., Terminalia fagifolia Mart. & Zucc., Copernicia cerifera (Miller) H.E. Mo
Externí odkaz:
https://doaj.org/article/a15537df6f9b4f179e0ef5b259ff15b7
Autor:
Gerardo Magela Vieira Júnior, Hilris Rocha e Silva, Thaís Chaves Bittencourt, Mariana H. Chaves, Carlos Alberto de Simone
Publikováno v:
Química Nova, Vol 30, Iss 7, Pp 1658-1662 (2007)
This paper describes the isolation of the furanocassane-type diterpene, named vinhaticoic acid, along with beta-farnesene and spatulenol from fruit shells of D. lacunifera. Structural determinations were accomplished by chemical derivatization and sp
Externí odkaz:
https://doaj.org/article/7c05d3fd311248c592962ac23a941aae
Publikováno v:
Química Nova, Vol 28, Iss 2, Pp 183-187 (2005)
Three mixtures of triterpenes (maniladiol and breine; alpha and beta-amyrin; lupenone, alpha and beta-amyrinone) were isolated from Protium heptaphyllum March resin. The structural identification was based on NMR and mass spectrometry data. Lupenone,
Externí odkaz:
https://doaj.org/article/740f7dfea4e94ebe9f38c9451769a5db