Bioactive endophytic fungi isolated from Caesalpinia echinata Lam. (Brazilwood) and identification of beauvericin as a trypanocidal metabolite from Fusarium sp.

Autor: Fernanda Fraga Campos, Policarpo A Sales Junior, Alvaro José Romanha, Márcio SS Araújo, Ezequias P Siqueira, Jarbas M Resende, Tânia MA Alves, Olindo A Martins-Filho, Vera Lúcia dos Santos, Carlos A Rosa, Carlos L Zani, Betania Barros Cota

Publikováno v: Memorias do Instituto Oswaldo Cruz, Vol 110, Iss 1, Pp 65-74 (2015)

Aiming to identify new sources of bioactive secondary metabolites, we isolated 82 endophytic fungi from stems and barks of the native Brazilian tree Caesalpinia echinata Lam. (Fabaceae). We tested their ethyl acetate extracts in several in vitro assa

Externí odkaz: https://doaj.org/article/3fee53e3f53d4ffa918295447935c860

Essential oil of Mitracarpus frigidus as a potent source of bioactive compounds

Autor: Rodrigo L. Fabri, Elaine S. Coimbra, Ana C. Almeida, Ezequias P. Siqueira, Tânia M.A. Alves, Carlos L. Zani, Elita Scio

Publikováno v: Anais da Academia Brasileira de Ciências, Vol 84, Iss 4, Pp 1073-1080 (2012)

In our previous work (Fabri et al. 2009), we showed that different extracts of Mitracarpus frigidus had significant antibacterial, antifungal and leishmanicidal activities. In order to increase our knowledge about this species, this work assesses the

Externí odkaz: https://doaj.org/article/9c2388ff4fdb4767943c5b593912db5a

CHARACTERISATION OF VOLATILE AND SEMI-VOLATILE COMPOUNDS OF OILS FROM Solanum lycocarpum FRUITS BY GAS CHROMATOGRAPHY-MASS SPECTROMETRY

Autor: Stênio Nunes Alves, Luciana Alves Rodrigues dos Santos Lima, Bicalho, Silva, Viviane de Cássia, Ezequias P. Siqueira

Publikováno v: Periódico Tchê Química. 15:438-446

Oils were obtained from unripe and ripe fruits of Solanum lycocarpum. In this study, the volatile and semi-volatile compounds of oils were characterized by gas chromatography-mass spectrometry (GC-MS). Oil of unripe fruits (OUF) of S. lycocarpum exhi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9151c37935d5873d1ebf55ff97efce54
https://doi.org/10.52571/ptq.v15.n30.2018.441_periodico30_pgs_438_446.pdf

Antimicrobial activity of Piper aduncum leaf extracts against the dental plaque bacteria Streptococcus mutans and Streptococcus sanguinis

Autor: Kênia Valéria dos Santos, Rodrigo Loreto Peres, Chaiana Froés Magalhães, Ezequias P. Siqueira, Carlos L. Zani, Elaine Alves de Oliveira, Anderson A. Andrade

Publikováno v: Journal of Medicinal Plants Research. 10:331-337

Piper aduncum has been widely used for medicinal purposes, and it has also been known to possess antimicrobial activity. Dental plaque is a complex ecosystem that harbors benign and pathogenic bacteria. It is desirable that compounds targeted to trea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dbd253bf8db0e3dfd5a2200715fe7699
https://doi.org/10.5897/jmpr2015.5956

Antifungal and antioxidant activity of fatty acid methyl esters from vegetable oils

Autor: Marcela Isis Morais, Nívea Pereira de Sá, Maria Eduarda Amaral Pinto, Ezequias P. Siqueira, Susana Johann, Caroline M Lima, Sthéfane Guimarães Araújo, Luciana Alves Rodrigues dos Santos Lima, Carlos A. Rosa

Publikováno v: Anais da Academia Brasileira de Ciências, Volume: 89, Issue: 3, Pages: 1671-1681, Published: 31 AUG 2017
Anais da Academia Brasileira de Ciências, Iss 0 (2017)
Anais da Academia Brasileira de Ciências v.89 n.3 2017
Anais da Academia Brasileira de Ciências
Academia Brasileira de Ciências (ABC)
instacron:ABC

Fatty acid methyl esters (FAMEs) were obtained from vegetable oils of soybean, corn and sunflower. The current study was focused on evaluating the antifungal activity of FAMEs mainly against Paracoccidioides spp., as well as testing the interaction o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c4d1fa6f9953a3490e4e066fae620e3
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000401671&lng=en&tlng=en