Foliar flavonoids of nine species of Bauhinia

Salatino, Antônio; Blatt, C T T; Santos, Déborah Yara Alves Cursino dos; Vaz, Ângela Maria Studart da Fonseca

doi:10.1590/s0100-84041999000100003

Cited by 30 publications

(19 citation statements)

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“…Although there is no documentation on its traditional use to treat diseases among the Malaysians, this plant has been used in the Indian, Sri Lankan and Pakistani folklore medicine to treat ailments like glandular swellings, skin diseases, ulcers, diarrhea, stomach tumors and wounds [1,2] . B. purpurea has also been used in the treatment and control of hyperglycemia [3] and seems to possess laxative and astringent effects [1,2] . The flowers of B. purpurea have also been used as a purgative in Pakistan [2] , while its leaves were applied externally to the forehead to treat fever [4] .…”

Section: Introductionmentioning

confidence: 99%

Antinociceptive, Anti-Inflammatory and Antipyretic Properties of the Aqueous Extract of <i>Bauhinia purpurea </i>Leaves in Experimental Animals

et al. 2007

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Objective: The present study was carried out to determine the antinociceptive, anti-inflammatory and antipyretic activities of the aqueous extract of Bauhinia purpurea leaves using animal models. Materials and Methods: The air-dried, powdered leaves (≈20 g) were soaked in distilled water (1:20; w/v) at room temperature for 72 h and the supernatant obtained was freeze-dried. The crude dried extract (≈2.4 g) was prepared in doses of 6.0, 30.0 and 60.0 mg/kg, and subjected to the respective antinociceptive (abdominal constriction, hot plate and formalin tests), anti-inflammatory (carrageenan-induced paw edema test) and antipyretic (brewer’s yeast-induced pyrexia test) assays. Results:The results obtained indicate that the extract possessed significant (p < 0.05) antinociceptive, anti-inflammatory and antipyretic activities, which were not dependent on the doses of extract used. The highest concentration of extract was less effective as an anti-inflammatory and an antipyretic agent. Conclusion: This study showed that the aqueous extract of B. purpurea leaves possesses potential pharmacological activities that require further investigation and, thus, confirms the folklore use of the plant in the treatment of ailments associated with pain and inflammation.

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Section: Introductionmentioning

confidence: 99%

Antinociceptive, Anti-Inflammatory and Antipyretic Properties of the Aqueous Extract of <i>Bauhinia purpurea </i>Leaves in Experimental Animals

et al. 2007

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“…Dados etnobotânicos revelaram que diversas espécies de Bauhinia são empregadas na medicina tradicional com diferentes indicações, principalmente como diurético, analgésico e no tratamento de diabetes (SALATINO et al, 1999;CECHINEL FILHO, 2002). Investigações farmacológicas detectaram a atividade hipoglicemiante de B. forficata Link (VOLPATO et al, 1999;PEPATO et al, 2002; KAR, 1999); e a atividade antibacteriana (POKHREL et al, 2002) e antiviral (MARCHETTI et al, 1995;TAYLOR et al, 1996) de diferentes espécies.…”

Section: Introductionunclassified

Caracteres morfo-anatômicos de folha e caule de Bauhinia microstachya

Duarte¹,

Debur²

2003

Rev. bras. farmacogn.

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RESUMO: Bauhinia microstachya (Fabaceae) é um arbusto escandente, de caule comprimido e flexuoso e folhas bilobadas, denominado popularmente de escada-de-macaco e empregado como analgésico na medicina tradicional. A morfo-anatomia foliar e caulinar dessa espécie foi analisada a fim de contribuir com informações farmacognósticas e taxonômicas. O material botânico foi fixado, seccionado e corado com azul de toluidina e com a dupla coloração fucsina básica / azul de astra, bem como submetido a testes histoquímicos. A folha apresenta epiderme uniestratificada, estômatos paracíticos e anomocíticos na face abaxial, tricomas tectores unicelulares, mesofilo dorsiventral e nervura central com feixe vascular colateral único, envolto por bainha esclerenquimática. O caule mostra estrutura atípica característica, devido ao crescimento irregular do câmbio vascular, que é mais ativo em dois lados opostos, determinando expansões laterais. A medula possui forma de cruz, e idioblastos contendo prismas e raras drusas de oxalato de cálcio são observados.Unitermos: Bauhinia microstachya; Fabaceae; morfo-anatomia.ABSTRACT: Morpho-anatomical characters of leaf and stem of Bauhinia microstachya (Raddi) J. F. Macbr. (Fabaceae). Bauhinia microstachya (Fabaceae) is a vine which has got a flat and ribbonlike stem, and bilobate leaves, commonly known as escada-de-macaco and employed as analgesic in the traditional medicine. The morpho-anatomical study of leaf and stem was carried out, in order to contribute to pharmacognostic and taxonomic knowledge. The material was fixed, sectioned and stained with toluidine blue and basic fuchsine / astra blue, as well as assayed for histochemical tests. The leaf has got uniseriate epidermis, paracytic and anomocytic stomata on the lower surface, unicellular nonglandular trichomes, dorsiventral mesophyll and midrib with a bundle involved by a sclerenchymatic sheath. The stem has shown anomalous structure, due to irregular vascular cambium growth, which is more active on opposite sides, establishing lateral expansions. The pith is cruciate in form and idioblasts containing calcium oxalate prisms and rare druses are observed.

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“…It consists of about 300 species, distributed in most tropical countries, including Africa, Asia and America (Cechinel Filho 2009). Previous phytochemical studies with plants from Bauhinia genus report the presence of lactones, flavonoids, terpenoids, steroids, triterpenes, tannins, quinones and alkaloids Cechinel Filho 2002, Maia Neto et al 2008), while studies from B. pentandra reported the chemical composition of the essential and fatty oils (Duarte-Almeida et al 2004, Almeida et al 2015, as well as the isolation of flavonoids (Salatino et al 1999) and cyanoglucosides (Silva et al 2013). In this paper, we report the isolation and structure elucidation of lactones (1 and 2), phenylacetic derivatives (3a, 3b and 3c) and a mixture of cyanoglucoside (4a) and glucopyranoside (4b).…”

Section: Introductionmentioning

confidence: 97%