1995
DOI: 10.1016/0031-9422(95)00507-4
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Antibacterial phloroglucinols and flavonoids from Hypericum brasiliense

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Cited by 171 publications
(108 citation statements)
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“…The extract of the leaves and flowers of H. brasiliense was characterized by Rocha et al (1995), who found, three known phloroglucinols (japonicine A, uliginosin A and isouliginosin B), a new phloroglucinol (hyperbrasiol A), and the flavonoids kaempferol, luteolin, quercitrin, isoquercitrin, hyperoside and guaijaverin. According to the authors, all four phloroglucinols presented antibacterial action against Bacilus subtilis.…”
Section: Resultsmentioning
confidence: 99%
“…The extract of the leaves and flowers of H. brasiliense was characterized by Rocha et al (1995), who found, three known phloroglucinols (japonicine A, uliginosin A and isouliginosin B), a new phloroglucinol (hyperbrasiol A), and the flavonoids kaempferol, luteolin, quercitrin, isoquercitrin, hyperoside and guaijaverin. According to the authors, all four phloroglucinols presented antibacterial action against Bacilus subtilis.…”
Section: Resultsmentioning
confidence: 99%
“…19 As substâncias 1 e 3 apresentaram atividades também contra B. subtilis. 10 Os valores de CMI dos floroglucinóis pelo método de macrodiluição demonstraram atividade antibacteriana contra S. aureus ATCC 29213 semelhantes à vancomicina para as substâncias 2 e 3. Estes resultados também foram observados para S. epidermidis.…”
Section: Resultsunclassified
“…Observou-se que as xantonas apresentaram efeito de inibição sobre a enzima monoamina oxidase (MAO), assim como atividade antifúngica, e o extrato hidroalcoólico mostrou atividades analgésica em ratos e antidepressiva. 10 Considerando que os derivados de floroglucinóis isolados de H. brasiliense são responsáveis pela atividade antibacteriana, 10 o objetivo deste trabalho foi o isolamento bioguiado destas substâncias por métodos cromatográficos. Em paralelo, a atividade do extrato hexano contra MRSA de diferentes regiões do continente americano, assim como MRCNS isolados de pacientes hospitalares, foi investigada.…”
unclassified
“…[6][7][8][9] The Hypericum brasiliense presents three phloroglucinols in its constitution and they are active against bacteria. 10,11 These phloroglucinols are the japonicin A, the uliginosin B and the isouliginosin B ( Figure 1). …”
Section: Introductionmentioning
confidence: 99%