Zobrazeno 1 - 10 of 549 pro vyhledávání: '"M. M. Valente"'
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Characterization of polyphenols in the methanol leaf extract of Bathysa gymnocarpa (Rubiaceae) by HPLC-DAD-ESI-MS/MS
Autor: Ariel M. Araujo, Lucas M. Cruz, Mário Gomes, Blanca Gallo, Ligia M. M. Valente, Luis A. Berrueta
The species Bathysa gymnocarpa K.Schum is a tree belonging to the Rubiaceae family, endemic in Brazil. So far, there are reports neither of phytochemical work nor of biological evaluation of it. The analysis by High Performance Liquid Chromatography
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0471ba7efaed22930422acfd7b5ee48c
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3
Polyphenol Profile and Quantitative Assessment of the Flavonoid Kaempferitrin in Wild and Cultivated Brazilian Amazonian Uncaria guianensis (Rubiaceae)
Autor: Ligia M. M. Valente, Rita de Cássia Alves Pereira, Antonio Carlos Siani, Matheus O. Souza, Luis A. Berrueta, Rodolfo S. Barboza, Blanca Gallo, Djavan da Paixão
Publikováno v: Addi. Archivo Digital para la Docencia y la Investigación
instname
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Journal of the Brazilian Chemical Society, Volume: 32, Issue: 8, Pages: 1670-1679, Published: 28 JUL 2021
Journal of the Brazilian Chemical Society v.32 n.8 2021
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
The Amazonian Rubiaceae species Uncaria guianensis (UG) is locally used as antiinflammatory, antitumor, antidiabetic, anti-ulcers, and others. The phenolic content of its leaves is characterized by the great predominance of the flavonoid kaempferol-3
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::667b5f1960b121fff73c3870dd596efc
http://hdl.handle.net/10810/53112
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4
Seasonal Flavonoid Profile and Kaempferitrin Content in the Leaf Extracts of Bauhinia forficata Subspecies forficata from Two Locations in Southeastern Brazil
Autor: Sérgio S. Monteiro, Vinicius F. Melo, Ligia M. M. Valente, João Batista de Freitas Tostes, Antonio Carlos Siani, Jéssica O. Costa
Publikováno v: American Journal of Plant Sciences. 10:208-220
The leaves of Bauhinia forficate L. (Fabaceae) are used in Brazilian folk medicine mainly as antidiabetic agent. They are rich in polyphenols, and kaempferitrin and other flavonoids are currently considered as basic chemical criteria for the quality
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c43cd6355dd3d22e7e103cc83050e12e
https://doi.org/10.4236/ajps.2019.101016
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5
One-Step Isolation of Monoterpene Indole Alkaloids from Psychotria Leiocarpa Leaves and Their Antiviral Activity on Dengue Virus Type-2
Autor: Iris P. Guimarães-Andrade, Rodolfo S. Barboza, Iranaia Assunção-Miranda, Mário Gomes, Jéssica O. Costa, Ligia M. M. Valente, Daniel Gavino-Leopoldino, Luis A. Berrueta, Blanca Gallo, Thiago Wolff
Publikováno v: Addi. Archivo Digital para la Docencia y la Investigación
instname
Addi: Archivo Digital para la Docencia y la Investigación
Universidad del País Vasco
Journal of the Brazilian Chemical Society v.31 n.10 2020
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 31, Issue: 10, Pages: 2104-2113, Published: 09 OCT 2020
The leaf MeOH extract of Psychotria leiocarpa (Rubiaceae) showed in vitro non-cytotoxic and anti-dengue virus serotype 2 (DENV2) activity in human hepatocarcinoma cell lineage (HepG2). A one-step and cost-effective reversed-phase solid-phase extracti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0185db9195be87c98930c2f8ee54d4de
http://hdl.handle.net/10810/50199
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6
Comprehensive characterisation of polyphenols in leaves and stems of three anti‐dengue virus type‐2 active Brazilian Faramea species (Rubiaceae) by HPLC‐DAD‐ESI‐MS/MS
Autor: Luis A. Berrueta, Blanca Gallo, Rodolfo S. Barboza, Iris P. Guimarães-Andrade, Rômulo L. S. Neris, Mário Gomes, Thiago Wolff, Iranaia Assunção-Miranda, C. Iriondo, Adriana C. do Nascimento, Ligia M. M. Valente
Publikováno v: Phytochemical Analysis. 30:62-72
Introduction The methanol (MeOH) leaf extracts of the species Faramea bahiensis, F. hyacinthina and F. truncata (Rubiaceae) have previously shown in vitro non-cytotoxic and anti-dengue virus serotype 2 (DENV2) activities in human hepatocarcinoma cell
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f281a72ef8e754a19fcf7f9b1239be44
https://doi.org/10.1002/pca.2790
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7
Ectopic FOXP3 Expression Preserves Primitive Features Of Human Hematopoietic Stem Cells While Impairing Functional T Cell Differentiation
Autor: Maria Grazia Roncarolo, Rosa Bacchetta, Laura Passerini, Fabio Russo, Luigi Naldini, F. R. Santoni de Sio, M. M. Valente
Publikováno v: Scientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
Scientific Reports
FOXP3 is the transcription factor ruling regulatory T cell function and maintenance of peripheral immune tolerance, and mutations in its coding gene causes IPEX autoimmune syndrome. FOXP3 is also a cell-cycle inhibitor and onco-suppressor in differen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36ac39de2be00c026b0121c33e27e313
http://link.springer.com/article/10.1038/s41598-017-15689-8
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8
Antiviral activity of Faramea bahiensis leaves on dengue virus type-2 and characterization of a new antiviral flavanone glycoside
Autor: Rômulo L. S. Neris, Iranaia Assunção-Miranda, Thiago Wolff, Adriana C. do Nascimento, Ligia M. M. Valente, Rodolfo S. Barboza, Camila Menezes Figueiredo, Mário Gomes
Publikováno v: Phytochemistry Letters. 19:220-225
Dengue virus infection is a neglected disease prevalent in most tropical and subtropical areas. Currently there is no any antiviral drug indicated for the routine treatment of dengue patients. As part of our ongoing search for potential anti-dengue v
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a7d49d6e8b7d3e64eb2d6822bfa4e76f
https://doi.org/10.1016/j.phytol.2017.01.013
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POLYPHENOL AND TRITERPENOID CONSTITUENTS OF Eugenia florida DC. (MYRTACEAE) LEAVES AND THEIR ANTIOXIDANT AND CYTOTOXIC POTENTIAL
Autor: Ligia M. M. Valente, André L. F. Sampaio, José Luiz Mazzei, Antonio Carlos Siani, Ana Paula Gregório Alves Fontão, Luiz Nelson F. Gomes, Priscila F. P. dos Santos
Publikováno v: Química Nova v.41 n.10 2018
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 41, Issue: 10, Pages: 1140-1149, Published: DEC 2018
Química Nova, Vol 41, Iss 10, Pp 1140-1149
Leaves of Eugenia florida DC. have been used in folk medicine as hypotensive, hypoglycemic, antipyretic and for gastrointestinal disorders, among others. In this study dried leaves were extracted with ethanol and the extract was partitioned with hexa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83b1bbe0e5af843d48ae18641dc082aa
https://doi.org/10.21577/0100-4042.20170284
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10
Iridoid glucosides from the stems of three bioactive Brazilian Faramea species (Rubiaceae)
Autor: Thiago Wolff, Ligia M. M. Valente, Rodolfo S. Barboza, Mário Gomes, Luis A. Berrueta, Blanca Gallo
Publikováno v: Biochemical Systematics and Ecology. 84:35-36
In this paper our previous chemical study of the anti-dengue active species Faramea bahiensis, Faramea hyacinthina and Faramea truncata (synonym of Faramea caudata) (Rubiaceae) is complemented by isolating from their stems, through a combination of s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e3b1a5a0214670dc196416e1130aadf
https://doi.org/10.1016/j.bse.2019.03.009
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