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1.
J Ethnopharmacol ; 238: 111890, 2019 Jun 28.
Artigo em Inglês | MEDLINE | ID: mdl-30999014

RESUMO

ETHNOPHARMACOLOGICAL RELEVANCE: Capparis erythrocarpos is a medicinal plant used widely in many parts of Africa for the management of pain and inflammatory conditions such as rheumatoid arthritis. Its wide range of use, popularity and high value, make C. erythrocarpos containing products a target for economically driven adulteration. This is made worse, by the use of roots, which are unsustainable plant parts. In addition, the mechanism of anti-inflammation is not clearly understood. AIM OF THE STUDY: Therefore, this study comparatively evaluated the anti-arthritic and analgesic effects of the leaves, stems and roots of C. erythrocarpos, while elucidating the mechanism of anti-inflammation. MATERIALS AND METHODS: Using the complete Freund's adjuvant arthritis model, the antiathritic effects were evaluated. The analgesic effects were determined by measuring responses to Von Frey filament number 9. Effects of C. erythrocarpos extracts on the levels of Interleukin-6 (IL-6) and Tumor Necrosis Factor-alpha (TNF-α) were determined using ELISA. Haematological and serum biochemical assays were also carried out. RESULTS: The leaf, stem and root extracts significantly reduced paw volumes with ED50 values (mg/kg) of 182.5, 181.5 and 36.4 respectively. The leaf extract at a dose of 100 mg/kg showed substantial analgesic activity with a decrease in the percentage response to Von Frey filament 9. However, there was no significant difference in activities of the leaf, stem and root extracts. Results from ELISA assays show that lower doses of the stem extracts reduce levels of IL-6. Lower doses of all extracts also reduce TNF-α levels. Haematological analysis showed extracts reversed elevated WBC and platelet levels. Toxicity evaluation with kidney and liver function tests indicated no significant differences between the treatment and control groups. CONCLUSIONS: The leaves and stems, just as the roots, have antiarthritic and analgesic effects and can be used as more sustainable alternatives to the roots. This will support the continuous growth of the industry that has developed around C. erythrocarpos.


Assuntos
Artrite Experimental/tratamento farmacológico , Capparis/química , Conservação dos Recursos Naturais , Extratos Vegetais/uso terapêutico , Folhas de Planta/química , Caules de Planta/química , Animais , Anti-Inflamatórios/farmacologia , Feminino , Adjuvante de Freund , Masculino , Extratos Vegetais/química , Folhas de Planta/crescimento & desenvolvimento , Raízes de Plantas/química , Caules de Planta/crescimento & desenvolvimento , Plantas Medicinais , Ratos
2.
Nat Prod Res ; 28(15): 1210-3, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-24910899

RESUMO

Five compounds were isolated altogether from the two medicinal plants. Glycerol monotricosanoate (1), palmarumycin BG1 (2) and de-O-methyllasiodiplodin (3) were isolated from Gouania longipetala. In addition, epicatechin (4) and its dimer procyanidin B2 (5) were isolated from the stem bark of Glyphaea brevis. Their structures were elucidated by using spectroscopic experiments. They exhibited radical scavenging and moderate antibacterial effects.


Assuntos
Antibacterianos/isolamento & purificação , Sequestradores de Radicais Livres/isolamento & purificação , Plantas Medicinais/química , Rhamnaceae/química , Tiliaceae/química , Antibacterianos/química , Antibacterianos/farmacologia , Biflavonoides/química , Biflavonoides/isolamento & purificação , Catequina/química , Catequina/isolamento & purificação , Sequestradores de Radicais Livres/química , Sequestradores de Radicais Livres/farmacologia , Macrolídeos/química , Macrolídeos/isolamento & purificação , Estrutura Molecular , Casca de Planta/química , Proantocianidinas/química , Proantocianidinas/isolamento & purificação
3.
Afr Health Sci ; 13(4): 1054-61, 2013 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-24940332

RESUMO

BACKGROUND: Cervical cancer is the leading cause of cancer death among women in Ghana, West Africa. The cervical cancer mortality rate in Ghana is more than three times the global cervical cancer mortality rate. Pap tests and visual inspection with acetic acid wash are widely available throughout Ghana, yet less that 3% of Ghanaian women get a cervical cancer screening at regular intervals. OBJECTIVE: This exploratory study was to identify psychological barriers to cervical cancer screening among Ghanaian women with and without cancer using a mixed methods approach. METHODS: Semi-structured interviews were conducted with 49 Ghanaian women with cancer and 171 Ghanaian women who did not have cancer. RESULTS: The results of the quantitative analysis indicated that cancer patients where not more likely to have greater knowledge of cancer signs and symptoms than women without cancer. Analysis of the qualitative data revealed several psychological barriers to cervical cancer screening including, common myths about cervical cancer, misconceptions about cervical cancer screening, the lack of spousal support for screening, cultural taboos regarding the gender of healthcare providers, and the stigmatization of women with cervical cancer. CONCLUSION: The results of this study can be used to inform the development of culturally relevant cervical cancer education interventions aimed at addressing the psychological barriers to cervical cancer screening perceived by Ghanaian women.


Assuntos
Detecção Precoce de Câncer/psicologia , Conhecimentos, Atitudes e Prática em Saúde , Programas de Rastreamento/psicologia , Aceitação pelo Paciente de Cuidados de Saúde/psicologia , Neoplasias do Colo do Útero/diagnóstico , Esfregaço Vaginal/psicologia , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Cultura , Feminino , Gana , Humanos , Entrevistas como Assunto , Pessoa de Meia-Idade , Teste de Papanicolaou/psicologia , Pesquisa Qualitativa , Estigma Social , Inquéritos e Questionários , Neoplasias do Colo do Útero/prevenção & controle , Neoplasias do Colo do Útero/psicologia , Adulto Jovem
4.
Artigo em Inglês | MEDLINE | ID: mdl-23983346

RESUMO

Euadenia eminens Hook f. (Capparaceae) has traditional uses in the management of conjunctivitis, iritis, ophthalmia, tuberculosis, otalgia and rectal prolapse. The fruit pulp is also eaten as an aphrodisiac. In this paper, we report on the anti-inflammatory, antioxidant and antibacterial effects of its roots. A 70 % ethanol extract was tested for anti-inflammatory effect using the carrageenan-induced oedema in chicks. Free radical scavenging, total antioxidant and total phenol content were assessed spectrophotometrically. The extract was tested for antibacterial activity using the agar well diffusion method and micro dilution assays. The 70% ethanol extract gave a maximal inhibition of oedema by 74.18 % at 30 mg/kg. The total antioxidant capacity expressed in terms of ascorbic acid was 0.609 mg/g dry weight. The total phenol in terms of tannic acid was 7.25 mg/g dry weight. The extract also demonstrated free radical scavenging activity yielding IC50 value of 1.175 mg/mL. The root extract however, showed selective antibacterial activity, inhibiting growth of two microorganisms; Bacillus subtilis and Bacillus thurigiensis. The MICs were 500 and 1000 µg/mL respectively. These results may account in part for the ethnopharmacological use of the plant.


Assuntos
Antibacterianos/farmacologia , Anti-Inflamatórios/farmacologia , Antioxidantes/farmacologia , Bacillus/efeitos dos fármacos , Capparaceae/química , Extratos Vegetais/farmacologia , Taninos/farmacologia , Animais , Ácido Ascórbico/metabolismo , Carragenina , Galinhas , Edema/tratamento farmacológico , Sequestradores de Radicais Livres/farmacologia , Concentração Inibidora 50 , Masculino , Testes de Sensibilidade Microbiana , Fenóis/análise , Fenóis/farmacologia , Casca de Planta , Extratos Vegetais/uso terapêutico , Raízes de Plantas , Taninos/análise
5.
Pharmacognosy Res ; 3(3): 166-72, 2011 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-22022164

RESUMO

BACKGROUND: Glyphaea brevis (Spreng) Monachino (Tiliaceae) have traditional uses in the management of conditions characterized by infections, inflammatory disorders and oxidative stress. The paper aims to report the comparative data on the leaves and stem bark of Glyphaea brevis with respect to their antibacterial, anti-inflammatory and antioxidant effects. MATERIALS AND METHODS: The antibacterial effects of the 70% ethanol extracts of the leaves and stem bark were determined using the agar well diffusion and micro dilution assays. The anti-inflammatory activity was assessed using the carrageenan-induced oedema model in 7-day old cockerels. Using the DPPH free radical scavenging, total antioxidant and total phenol content assays, the antioxidant potential of the extract was assessed. RESULTS: The bark extract had the higher antibacterial effect against 6 of the 8 microorganisms used. Noteworthy are its activity against Bacillus subtilis and Enterococcus faecalis with lowest MIC value of 500 µg/mL respectively. In doses of 30, 100 and 300 mg/kg, both extracts reduced the carrageenan-induced oedema in 7-day old cockerels. Based on the ED(50) values, both extracts demonstrated similar potencies (ED(50) =21.00 mg/kg). The stem bark extract exhibited higher free radical scavenging activity (IC(50) = 1.392 mg/mL) compared to the leaf extract (IC(50) = 9.509 mg/mL). In the total phenol content, the bark extract showed higher content (15.91 mg/g of dry mass) compared to the leaf extract (2.68 mg/g dry mass). Both extracts demonstrated equal potencies in the total antioxidant capacity determinations (0.60 mg/g dry weight of extract). CONCLUSIONS: The results of this work provide scientific evidence for the traditional uses of Glyphaea brevis.

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