Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Roberta Gomes Coelho"'
Autor:
Isabel Duarte Coutinho, Roberta Gomes Coelho, Vanessa Mayumi Fukuy Kataoba, Neli Kika Honda, J. R. M. Silva, Wagner Vilegas, Claudia Andréa Lima Cardoso
Publikováno v:
Eclética Química, Vol 33, Iss 4, Pp 53-60 (2018)
Five flavanones and three chalcones were isolated from Campomanesia adamantium Berg. (Myrtaceae) leaves. The contents of these compounds were determined by HPLC. The phenolic contents were also determined. The monitoring of the antioxidant activity w
Externí odkaz:
https://doaj.org/article/78781db27bea46b99a8f611bbcbea512
Autor:
Zaira da Rosa Guterres, Neli Kika Honda, Roberta Gomes Coelho, Glaucia Braz Alcantara, Ana Camila Micheletti
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 9, Iss 1, Pp 50-54 (2017)
Although phenolic compounds produced by lichens have been widely investigated in antitumor assays, only a small number have been evaluated for mutagenicity and genotoxicity. This study evaluated protocetraric, hypostictic, psoromic, and salazinic aci
Externí odkaz:
https://doaj.org/article/0a0fa53fa12a4838952a87143a21418a
Autor:
Neli Kika Honda, Kerolayne Gonçalves, Luíz Fabrício Gardini Brandão, Roberta Gomes Coelho, Ana Camila Micheletti, Adriano Afonso Spielmann, Luciana Silva Canêz
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 8, Iss 3, Pp 181-188 (2016)
Nine lichen extracts were evaluated for tyrosinase inhibition and toxicity against Artemia salina larvae. Extract compositions were investigated by TLC and NMR analysis. The activity of constituents against tyrosinase was evaluated by bioautography,
Externí odkaz:
https://doaj.org/article/db9771fcb7ab4f1e8fa25c1477cd051a
Autor:
Neli Kika Honda, Thiago Inácio Barros Lopes, Rodrigo César Silva Costa, Roberta Gomes Coelho, Nídia Cristiane Yoshida, Cristiane Regine Rivarola, Marcelo Pinto Marcelli, Adriano Afonso Spielmann
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 7, Iss 2, Pp 99-107 (2015)
Lichens produce a wide range of phenolic substances, mostly depsides and depsidones. As part of our ongoing study of lichens from the Cerrado biome in Mato Grosso do Sul state, the present article reports novel findings on the radical-scavenging acti
Externí odkaz:
https://doaj.org/article/6d11e30167b5412ea35c6760c585abfd
Autor:
Marcelo Aranda da Silva Coutinho, Maria da Graça Morais, Roberta Gomes Coelho, Fabiana Villa Alves, Henrique Jorge Fernandes, Camila Celeste Brandão Ferreira Ítavo, Marco Aurélio Scarton Comparin, Caroline Bertholini Ribeiro
Publikováno v:
Semina: Ciências Agrárias, Vol 35, Iss 5, Pp 3355-3366 (2014)
Consumers are more interested in having healthier and better quality products. The diet offered to animals can strongly affect the composition of meat. Thus, this study aimed to evaluate the effect of different levels of concentrate on lipid profile
Externí odkaz:
https://doaj.org/article/67c7d7acc5644b7bb925d1b7273edf8c
Autor:
Luciana M. Ravaglia, Kerolayne Gonçalves, Nathália Mitsuko Oyama, Roberta Gomes Coelho, Adriano A. Spielmann, Neli K. Honda
Publikováno v:
Química Nova, Vol 37, Iss 6, Pp 1015-1021 (2014)
Extracts of six lichen species collected from Brazil and Antarctica were investigated for their potential toxicity and radical-scavenging properties. The composition of the extracts was investigated using TLC and NMR, leading to identification of atr
Externí odkaz:
https://doaj.org/article/f3c38f3a73344002b09b3537d376a033
Autor:
Rodrigo Caetano de Abreu, Charles Kiefer, Fabiana Villa Alves, Roberta Gomes Coelho, Danilo Alves Marçal, Gabriela Puhl Rodrigues
Publikováno v:
Ciência Rural, Vol 44, Iss 1, Pp 135-140 (2014)
O objetivo deste trabalho foi avaliar níveis de milheto na alimentação de suínos na composição lipídica e de colesterol da gordura subcutânea e da carne. Foram utilizados 48 animais, machos castrados, distribuídos em um delineamento experime
Externí odkaz:
https://doaj.org/article/8c3adc4899c94377a83428007d04d955
Autor:
Claudia Andréa Lima Cardoso, Roberta Gomes Coelho, Neli Kika Honda, Arnildo Pott, Fernando Rogério Pavan, Clarice Queico Fujimura Leite
Publikováno v:
Brazilian Journal of Pharmaceutical Sciences, Vol 49, Iss 4, Pp 775-782 (2013)
Serjania erecta Radlk.(Sapindaceae) is a medicinal plant traditionally used in Brazil. We assayed the ethanolic extract of leaves and roots against seven microorganisms. The REMA (Resazurin Microtiter Assay) assay was used to measure the biological a
Externí odkaz:
https://doaj.org/article/723438d4227d4cfbbde9b57ae2faa4a8
Autor:
Isabel Duarte Coutinho, Claúdia Andréa Lima Cardoso, Nilva Ré-Poppi, Adriana Mestriner Melo, Maria do Carmo Vieira, Neli Kika Honda, Roberta Gomes Coelho
Publikováno v:
Brazilian Journal of Pharmaceutical Sciences, Vol 45, Iss 4, Pp 767-776 (2009)
The essential oils from Campomanesia adamantium (Cambess.) O. Berg leaves, collected in the reproductive (flowering and fruit-bearing) and vegetative stages, were characterized by GC-MS (Gas Chromatography-Mass Spectrometry). A total of 95 compounds
Externí odkaz:
https://doaj.org/article/a8f4c9590f684242bfb77ca168162cc1
Autor:
Fernando Rogério Pavan, Clarice Queico Fujimura Leite, Roberta Gomes Coelho, Isabel Duarte Coutinho, Neli Kika Honda, Claudia Andréa Lima Cardoso, Wagner Vilegas, Sergio Roberto de Andrade Leite, Daisy Nakamura Sato
Publikováno v:
Química Nova, Vol 32, Iss 5, Pp 1222-1226 (2009)
The anti-Mycobacterium tuberculosis activity of Campomanesia adamantium fruits extracts were evaluated. Six compounds, identified as flavanones and chalcones were quantified by HPLC-DAD-UV. Promising antitubercular activity was observed with ethyl ac
Externí odkaz:
https://doaj.org/article/14b2b15193624f63a8f66de3df091a41