Tannin composition of barbatimão species

Santos, Suzana C.; Costa, Wesley F; Ribeiro, Jeane P; Guimarães, Denise O.; Ferri, Pedro Henrique; Ferreira, Heleno Dias; Seraphin, José Carlos

doi:10.1016/s0367-326x(02)00081-3

Cited by 56 publications

(54 citation statements)

References 16 publications

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“…Similar results were obtained by Santos et al (2002), using different analytical techniques. These authors, however, showed that S. polyphyllum contains a larger amount of esterified gallic acid linkage with flavan-3-ols than does S. adstringens, which markedly increases free-radical scavenging (Hagerman et al, 1998;De Bruyne et al, 1999aand 1999b), anti-glucosyltransferase, anti-viral (De Bruyne et al, 1999aand 1999b, and anti-cancer activities (Dufresne, Farnworth, 2001).…”

Section: Resultssupporting

confidence: 87%

Wound-healing evaluation of ointment from Stryphnodendron adstringens (barbatimão) in rat skin

Hernandes

Pereira

Palazzo

et al. 2010

Braz. J. Pharm. Sci.

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This study evaluated the cicatrizant effect of an ointment containing 1% of the ethyl-acetate fraction extracted from the stem bark of "barbatimão" (Stryphnodendron adstringens), in wounds made in the skin of rats, after 4, 7 and 10 days of treatment. Control wounds were treated with a base ointment without extract. The proliferation of keratinocytes in the area of reepithelialization was evaluated by counting the number of epithelial cells that were blocked in metaphase by vincristine sulfate. The length of the reepithelialized margin and the contraction of the wound were measured. Topical application of the "barbatimão" ointment stimulated proliferation of the keratinocytes, but had no effect on the length of the epithelium or on the contraction of the wounds. Uniterms:Stryphnodendron adstringens/pharmacognosy. Stryphnodendron adstringens/ cicatrizant effect. "Barbatimão"/pharmacognosy. Wound/healing/experimental study. Reepithelialization.Neste estudo, avaliou-se a atividade cicatrizante de uma pomada contendo uma fração acetato de etila 1% obtida de cascas de "barbatimão" (Stryphnodendron adstringens) em feridas excisionais na pele de ratos após 4, 7 e 10 dias de tratamento. Feridas controle foram tratadas com pomada base, sem extrato. A proliferação dos queratinócitos na área reepitelizada foi avaliada através da contagem do número de queratinócitos bloqueados em metáfase, pelo sulfato de vincristina. O comprimento da margem reepitelizada e a contração das feridas foram mensurados. As feridas tratadas com barbatimão apresentaram um maior número de mitoses do que aquelas tratadas com a pomada base, em todos os tempos avaliados. A aplicação tópica da pomada de "barbatimão" estimulou a proliferação epitelial contudo não teve efeito sobre a migração dos queratinócitos ou sobre a contração das feridas. Unitermos:Stryphnodendron adstringens/farmacognosia. Stryphnodendron adstringens/efeito cicatrizante. "Barbatimão"/farmacognosia. Feridas/cicatrização/estudo experimental. Reepitelização. INTRODUCTIONIn cutaneous lesions, tannins bind to the proteins of the injured tissues, precipitating them (Fernandez et al., 2002) and creating a protective layer (Neto et al., 1996). This layer isolates the wound site from the environment, reducing the permeability and exudation of the wound (Brown, Dattner, 1998;Bedi, Shenefelt, 2002) and promoting tissue repair. Tannins also exhibit vasoconstrictor and anti-inflammatory properties (Mota et al., 1985;Kapu et al., 2001) and stimulate the growth of epidermis, aiding reepithelialization (Palermo et al., 2002;. Reepithelialization involves the proliferation and migration of cells from the edges of the wound, and is regulated by mechanisms involving genes, growth factors, integrins, extracellular matrices (ECM) and metalloproteinases (MMPs) (Santoro, Gaudino, 2005).Stryphnodendron Martius, Leguminosae, popularly known as "barbatimão", is a Brazilian savannah tree. Extracts of the stem bark from species of Stryphnodendron have several medically useful properties, such as antiinflamma...

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Section: Resultssupporting

confidence: 87%

Wound-healing evaluation of ointment from Stryphnodendron adstringens (barbatimão) in rat skin

Hernandes

Pereira

Palazzo

et al. 2010

Braz. J. Pharm. Sci.

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“…According to the Brazilian Pharmacopoeia (Farmacopéia 2002), the bark of S. adstringens contains at least 20% tannins. Mello et al (1996a, b) and Santos et al (2002) investigated the chemical composition of this species and established that the pharmacological activity is mainly due to the content of tannins present in the bark. A study by Scalbert (1991) established the toxicity of tannin to Fig.…”

Section: Resultsmentioning

confidence: 99%

Biological effects of extracts obtained from Stryphnodendron adstringens on Herpetomonas samuelpessoai

Holetz¹,

Ueda-Nakamura²,

Filho³

et al. 2005

Mem. Inst. Oswaldo Cruz

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We report the effect of Stryphnodendron adstringens on the trypanosomatid Herpetomonas samuelpessoai. The parasites were grown at 28ºC in a chemically defined medium containing crude extract and fractions at concentrations from 100 to 5000 µg/ml obtained from S. adstringens. Concentrations of 500, 1000, 2500, and 5000 µg/ml both crude extract and semi-purified fraction progressively inhibited the protozoans' growth. At a concentration of 100 µg/ml, crude extract or a semi-purified (F3)

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“…The most common commercially-condensed tannins come from mimosa bark (Acacia mearnsii or mollissima), Quebracho wood (Schinopsis balansae and Schinopsis lorentzii), pine bark (Pinus radiata), and Gambier leaves (Uncaria gambier) (Tondi and Pizzi 2009). According to Santos et al (2002), the condensed tannins from Stryphnodendron genus are formed with prodelphinidin units. Podelphinidins are formed by gallocathechin and/or epigallocatechin, which contain ortho-trihydroxyl groups in the B-ring.…”

Section: Introductionmentioning

confidence: 99%

Tannin Adhesive from Stryphnodendron adstringens (Mart.) Coville in Plywood Panels

Carvalho¹,

Zanuncio²,

Mori³

et al. 2014

BioResources

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The aim of this study was to evaluate the technical viability of using tannin adhesives derived from Stryphnodendron adstringens (Mart.) Coville barks in the production of plywood. 0, 25, 50, 75, and 100% tannin-based adhesives (TF) derived from barbatimão barks were combined with commercial phenol-formaldehyde (PF) adhesive. The properties of the adhesives were determined, and plywood was produced. The panels were produced with five crossed layers, an adhesive grammage of 360 g/m² (double line), and an assembly time of 10 min. A pressing cycle at a temperature of 150 °C, specific pressure of 12 kgf/cm², and duration of 10 min was used. With the exception of the parallel modulus of elasticity, panels produced with 25, 50, 75, and 100% barbatimão-derived tannin adhesive met NBR 31:000.05-001/2 standards (ABNT 2001). The tannin barbatimão adhesive proved feasible for use in plywood panels destined for both humid and dry environments.

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Tannin composition of barbatimão species

Cited by 56 publications

References 16 publications

Wound-healing evaluation of ointment from Stryphnodendron adstringens (barbatimão) in rat skin

Wound-healing evaluation of ointment from Stryphnodendron adstringens (barbatimão) in rat skin

Biological effects of extracts obtained from Stryphnodendron adstringens on Herpetomonas samuelpessoai

Tannin Adhesive from Stryphnodendron adstringens (Mart.) Coville in Plywood Panels

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