Zobrazeno 1 - 10
of 52
pro vyhledávání: '"George González‐Ortega"'
Autor:
Vanessa Pittol, Kleyton Santos Veras, Samuel Kaiser, Letícia Jacobi Danielli, Alexandre Meneghello Fuentefria, George González Ortega
Publikováno v:
Brazilian Journal of Pharmaceutical Sciences, Vol 58 (2022)
Abstract Poorly water-soluble drugs, such as the antifungal drug griseofulvin (GF), exhibit limited bioavailability, despite their high membrane permeability. Several technological approaches have been proposed to enhance the water solubility and bio
Externí odkaz:
https://doaj.org/article/0d49f09edb2c4d01ad2b105e925dade3
Autor:
Renata Cougo Moraes, Anderson Ramos Carvalho, Aline Jacobi Dalla Lana, Samuel Kaiser, Bruna Pippi, Alexandre Meneghello Fuentefria, George González Ortega
Publikováno v:
Pharmaceutical Biology, Vol 55, Iss 1, Pp 406-415 (2017)
Context: Uncaria tomentosa D.C. (Rubiaceae) has several biological activities, including activity against resistant Candida strains. The synergistic interaction with terbinafine or fluconazole can be an important alternative to overcome this resistan
Externí odkaz:
https://doaj.org/article/5944cf4da03e481eb3cba3d668b81d46
Autor:
Pedro Ernesto de Resende, Samuel Kaiser, Vanessa Pittol, Ana Lúcia Hoefel, Raquel D'Agostini Silva, Cláudia Vieira Marques, Luiz Carlos Kucharski, George González Ortega
Publikováno v:
Journal of Functional Foods, Vol 15, Iss , Pp 440-451 (2015)
The influence of yerba mate extract (YME) and two concentrated fractions of methylxanthines–polyphenols (MXPL) and saponins (SFL) from yerba mate on the lipid metabolism of Wistar rats fed with a high-fat diet were examined. A Box–Behnken design
Externí odkaz:
https://doaj.org/article/6517ed8ecd8a464e8aa6942184c75fb1
Autor:
Evelyn Maribel Condori Peñaloza, Samuel Kaiser, Pedro Ernesto de Resende, Vanessa Pittol, Ânderson Ramos Carvalho, George González Ortega
Publikováno v:
Química Nova, Vol 38, Iss 3, Pp 378-386 (2015)
Uncaria tomentosa (cat's claw) is a vine widely distributed throughout the South-American rainforest. Many studies investigating the chemical composition of cat's claw have focused on the pentacyclic (POA) and tetracyclic oxindole alkaloids (TOA), qu
Externí odkaz:
https://doaj.org/article/d746a5e8e98f4647a300a6d35b4b3f80
Autor:
Samuel Kaiser, Simone Gasparin Verza, Renata Cougo Moraes, Pedro Ernesto de Resende, Cabral Pavei, George González Ortega, Fabiano Barreto
Publikováno v:
Química Nova, Vol 36, Iss 6, Pp 808-814 (2013)
Cat's claw oxindole alkaloids are prone to isomerization in aqueous solution. However, studies on their behavior in extraction processes are scarce. This paper addressed the issue by considering five commonly used extraction processes. Unlike dynamic
Externí odkaz:
https://doaj.org/article/3812e229f88743d9a75bf55e77283baa
Evaluation of foam properties of saponin from Ilex paraguariensis A. St. Hil. (Aquifoliaceae) fruits
Autor:
Gizele Scotti do Canto, Janine Treter, Samanta Yang, Gustavo Luís Borré, Maria Paula Garofo Peixoto, George González Ortega
Publikováno v:
Brazilian Journal of Pharmaceutical Sciences, Vol 46, Iss 2, Pp 237-243 (2010)
Saponins are natural compounds able to form abundant foam, a desirable quality required in some chemical, foods, cosmetic and pharmaceutical processes. Ilex paraguariensis A. St. Hil. (Aquifoliaceae) known as mate, is a South American widely cultivat
Externí odkaz:
https://doaj.org/article/ede613f67e0b43acad774c7937de28cf
Autor:
Simone Gasparin Verza, Maria T. Kreinecker, Valquíria Reis, Amélia T. Henriques, George González Ortega
Publikováno v:
Química Nova, Vol 30, Iss 4, Pp 815-820 (2007)
The main analytical variables of a modified Folin-Ciocalteu method were studied by UV-Vis and gradient HPLC-PDA methods, using purified (PC) and technical grade (TGC) casein. Rutin and an aqueous extract of Psidium guajava L. leaves were used as mode
Externí odkaz:
https://doaj.org/article/f213684c303947a7b6e51b2054441dc9
Autor:
Fabrícia Dietrich, Jerônimo Pietrobon Martins, Samuel Kaiser, Rodrigo Braccini Madeira Silva, Liliana Rockenbach, Maria Isabel Albano Edelweiss, George González Ortega, Fernanda Bueno Morrone, Maria Martha Campos, Ana Maria Oliveira Battastini
Publikováno v:
PLoS ONE, Vol 10, Iss 7, p e0131882 (2015)
Uncaria tomentosa is widely used in folk medicine for the treatment of numerous diseases, such as urinary tract disease. Hemorrhagic cystitis (HE) is an inflammatory condition of the bladder associated with the use of anticancer drugs such as cycloph
Externí odkaz:
https://doaj.org/article/8e003852334443918b98d221e408f63f
Autor:
Roger R. Dresch, George González Ortega, Miriam Anders Apel, Pedro Eduardo Fröehlich, Felipe Bianchini D'Avila, Samuel Kaiser, Gari Vidal Ccana-Ccapatinta, Letícia J. Danielli, Gilsane Lino von Poser
Publikováno v:
Industrial Crops and Products. 125:323-327
Lipophilic extracts of Hypericum species are described to possess diverse potential bioactivities, however there is no report on the potential anti-inflammatory activity of Peruvian Hypericum species. Investigating the chemotactic ability plays an im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::113a47db608b0051c72b3987bd93ae2d
https://doi.org/10.1016/j.indcrop.2018.09.024
https://doi.org/10.1016/j.indcrop.2018.09.024
Autor:
Helder Ferreira Teixeira, Letícia Scherer Koester, Renata Pereira Limberger, Valdir Florêncio da Veiga, Orlando A.R. Loureiro-Paes, Letícia G. Lucca, Tainá Kreutz, George González Ortega
Publikováno v:
Journal of Chromatography A. 1564:163-175
Aniba canelilla (H.B.K.) Mez is an aromatic plant from the Amazon region whose essential oil has 1-nitro-2-phenylethane (NP) and methyleugenol (ME) as major compounds. Despite of the scientifically proven antifungal and anti-inflammatory activities f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54812716703b0dba54493cc2ce48228f
https://doi.org/10.1016/j.chroma.2018.05.073
https://doi.org/10.1016/j.chroma.2018.05.073