Results: 4

Avaliação do potencial antiparasitário de um Alcaloide Indólico isolado do Coral Marinho Tubastraea tagusensis

Diante da falta de uma terapia eficaz e segura para o tratamento da doença de Chagas (DC) e da leishmaniose visceral, a busca por novos fármacos continua imprescindível. O ambiente marinho é uma rica fonte de produtos naturais bioativos, com aplicações contra parasitas, bactérias e outros patógen...

Characterization of bacterial endophytes from the roots of native and cultivated Brazil nut trees (Bertholletia excelsa)

Acta amaz; 49 (4), 2019
Brazil nut is a very important nontimber forest product in the Amazon region. Propagation of this tree still represents a challenge due to slow and uneven seed germination. In this context, plant growth-promoting bacteria can facilitate the process of propagation. The aims of this study were to isolate a...

Aporphine alkaloids from Piper erecticaule and acetylcholinesterase inhibitory activity

Chemical constituents and biological activities of the aerial parts of Piper erecticaule C.DC. have been studied for the first time. Fractionation and purification of the extracts afforded aristolactam AII (1), aristolactam BII (2), piperolactam A (3), piperolactam C (4), piperolactam D (5), together wit...

New production process of the antifungal chaetoglobosin A using cornstalks

Braz. j. microbiol; 48 (3), 2017
Abstract Chaetoglobosin A is an antibacterial compound produced by Chaetomium globosum, with potential application as a biopesticide and cancer treatment drug. The aim of this study was to evaluate the feasibility of utilizing cornstalks to produce chaetoglobosin A by C. globosum W7 in solid-batch fermen...