Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Neli Kika Honda"'
Autor:
Ana Camila Micheletti, Neli Kika Honda, Paola Dias de Oliveira, Dênis Pires de Lima, Adilson Beatriz, Sergio de Albuquerque
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 12, Iss 3, Pp 127-132 (2020)
A series of xanthone derivatives containing different side chains, including ω-bromo and ω-aminoalkoxylxanthones (with linear alkoxy chains of 3, 4 and 5 carbon atoms and methyl, propyl, tert-butylamino and piperidinyl moieties), synthesized from t
Externí odkaz:
https://doaj.org/article/0923d98d2b8d4b1fa76cbcce6a795d62
Autor:
Danielle Bogo, Neli Kika Honda, Glaucia Braz Alcantara, Luiz Fabrício Gardini Brandão, Gabriela Flávia Aléssio, Rita de Cássia Avellaneda Guimarães, Maria de Fatima Cepa Matos
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 12, Iss 1, Pp 7-16 (2020)
Lichens are sources of numerous biologically active compounds and many of these have demonstrated antitumor potential. The purposes of this study were to evaluate the antiproliferative activity and selectivity of the following compounds isolated from
Externí odkaz:
https://doaj.org/article/5fe76d2bc0414a2695935c30d9bb1ae9
Publikováno v:
Rodriguésia, Vol 71 (2020)
Abstract A survey of lichens at Ilhabela State Park and nearby areas in São Sebastião Island revealed the occurrence of 12 taxa belonging to six genera of small foliose Parmeliaceae, which are characterized by usually small thalli (hardly > 10 cm i
Externí odkaz:
https://doaj.org/article/367d8c2cdea44637b964fdfcff814716
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:
Luiz Fabrício Gardini Brandão, Noemia Pereira da Silva Santos, Eugênia Cristina Gonçalves Pereira, Nicácio Henrique da Silva, Maria de Fátima Cepa Matos, Danielle Bogo, Neli Kika Honda
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 9, Iss 4, Pp 256-260 (2017)
Lichens are widely distributed around the world. Their phenolic compounds, consisting mainly of depsides and depsidones, have been extensively studied for important biological activities. More recently, these compounds have been evaluated for their i
Externí odkaz:
https://doaj.org/article/194a4047a6c54d35b3e5e3f3d6c92803
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, Deisy Santos Freitas, Ana Camila Micheletti, Nadia Cristina Pereira Carvalho, Adriano Afonso Spielmann, Luciana da Silva Canêz
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 8, Iss 6, Pp 334-340 (2016)
Parmotrema is a genus of major interest in the lichen flora of Mato Grosso do Sul state, Brazil, since many of its species are sources of important bioactive compounds. Parmotrema screminiae Spielmann & Canêz, a novel species, is a noteworthy source
Externí odkaz:
https://doaj.org/article/334714ec5d3a49e18a01bc2fdcaab936
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:
Ana Camila Micheletti, Neli Kika Honda, Nadia Cristina Pereira Carvalho, Dênis Pires de Lima, Adilson Beatriz
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 7, Iss 4, Pp 301-307 (2015)
Two novel hybrid lichexantone-THC (benzopirane group) derivatives as potential antimicrobial agents were designed and prepared from norlichexanthone and (S)-cis-verbenol in two steps. The newly synthesized compounds were characterized by 1H-NMR, 13C-
Externí odkaz:
https://doaj.org/article/ffa73187d9e74623aae1a3f104894577
Publikováno v:
Orbital: The Electronic Journal of Chemistry, Vol 7, Iss 3, Pp 275-281 (2015)
The depsides atranorin (7) and diffractaic acid (1), the depsidones hypostictic (2) protocetraric (3), salazinic (4) acids, the xanthone secalonic acid (5), and usnic acid (6) were evaluated for their phytotoxic potentials against the target species
Externí odkaz:
https://doaj.org/article/c38f7a8900254f80b2da1051a875c7ae