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erythrina velutina/alkaloid
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6 resultados
Erythrinan alkaloids from seeds of Erythrina velutina.
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Four new Erythrinan alkaloids (1-4) were isolated from the seeds of Erythrina velutina. The structures of these new compounds 1-4 were elucidated by spectroscopic methods including 2D-NMR. Three of four were found to be novel sulfated Erythrinan alkaloids.
Hypaphorine, an indole alkaloid from Erythrina velutina, induced sleep on normal mice.
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An indole alkaloid (hypaphorine (1)) was isolated from Brazilian medicinal plant, Erythrina velutina (Leguminosae). This compound was investigated for sleep promoting effects in mice, and the results showed that it significantly increased non-rapid eye movement (NREM) sleep time during the first
TRAIL-enhancing activity of Erythrinan alkaloids from Erythrina velutina.
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A new Erythrinan alkaloid (1), erythodine N-oxide, was isolated from the seeds of Erythrina velutina together with seven known Erythrinan alkaloids (2-7, 9) and an indole alkaloid (8). The structure of new compound (1) was elucidated by spectroscopic methods. Six of the nine compounds showed
Evidence of the mechanism of action of Erythrina velutina Willd (Fabaceae) leaves aqueous extract.
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BACKGROUND
Erythrina velutina is traditionally used for sleepiness, convulsions and nervous system excitation in Brazil. Although central effects have been reported for Erythrina velutina, little is known about its mechanism of action.
OBJECTIVE
To investigate the pharmacological evidences of
In vitro and ex vivo anticholinesterase activities of Erythrina velutina leaf extracts.
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BACKGROUND
Erythrina velutina (EV) Willd (Fabaceae-Faboideae) is a medicinal tree that is commonly used in Brazil for the treatment of several central nervous system disorders.
OBJECTIVE
The anticholinesterase activity of EV is described in this work.
METHODS
Concentration-response curves (0-1.6
Evaluation of seed extracts from plants found in the Caatinga biome for the control of Aedes aegypti.
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Dengue fever, currently the most important arbovirus, is transmitted by the bite of the Aedes aegypti mosquito. Given the absence of a prophylactic vaccine, the disease can only be controlled by combating the vector insect. However, increasing reports of resistance and environmental damage caused by
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