2005
DOI: 10.1590/s0100-67622005000600020
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Teor de taninos em três espécies medicinais arbóreas simpátricas da caatinga

Abstract: RESUMO -O teor de taninos em três espécies medicinais do semi-árido do Nordeste do Brasil foi determinado. A partir de amostras das cascas do caule e folhas de 10 indivíduos de Anadenanthera colubrina (Vell.) Brenam, Myracrodruon urundeuva (Engl.) Fr. All. e Caesalpinia pyramidalis Tul., os teores de fenóis totais e taninos foram determinados em extratos metanólicos 80% pelo método de Folin-Ciocalteau, seguido do método da precipitação de proteínas. Adicionalmente, testou-se a hipótese de que a concentração de… Show more

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Cited by 33 publications
(26 citation statements)
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“…Monteiro et al (2005) observed a high level of tannins and flavonoids in extracts of the leaves and bark of this species, which were also present in our sample. In another study, Silva et al (2012) found saponins in their leaf extract.…”
Section: Resultssupporting
confidence: 79%
“…Monteiro et al (2005) observed a high level of tannins and flavonoids in extracts of the leaves and bark of this species, which were also present in our sample. In another study, Silva et al (2012) found saponins in their leaf extract.…”
Section: Resultssupporting
confidence: 79%
“…Phytochemical investigations have demonstrated the presence of secondary metabolites, such as flavonoids, diterpenes, tannins and lignans [6][7][8][9][10]. Several biological activities have already been tested with this species, among which we can highlight the antimicrobial activity against Staphylocus aureus, Escherichia coli, Enterococcus faecalis, Klebsiella pneumoniae, Salmonella spp., S. Aureus e Pseudomonas aeruginosa, antioxidant, gastro protective, anti-inflammatory, antinociceptive and anthelmintic activity, which corroborates many of its traditional uses.…”
Section: Introductionmentioning
confidence: 99%
“…L.P. Queiroz is an arboreal species endemic to the Caatinga (Monteiro et al 2005), popularly known by its common name "catingueira" (Braga, 1960), which is found in several plant associations occurring in the states of Piauí, Ceará, Rio Grande do Norte, Paraiba, Pernambuco, Alagoas, Sergipe, Bahia, and Northern Minas Gerais being widely used by local communities for production of firewood and charcoal (Silva et al 2009). …”
Section: Introductionmentioning
confidence: 99%