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Anti-inflammatory intestinal activity of Combretum duarteanum Cambess. in trinitrobenzene sulfonic acid colitis model

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World Journal of Gastroenterology 2017年第8期23卷 1353-1366页

作者： Gedson Rodrigues de Morais Lima Flavia Danniele Frota MachadoLarissa Lucena Périco felipe meira de faria Anderson Luiz-Ferreira Alba Regina Monteiro Souza Brito Cláudia Helena Pellizzon Clélia Akiko Hiruma-Lima Josean Fechine Tavares JoséMaria Barbosa Filho LeOnia Maria Batista departamento de Ciências Farmacêuticas Centro de Ciências da SaúdeLaboratório de Farmacologia do Trato GastrintestinalUniversidade Federal da Paraíba(UFPB)Cidade Universitária departamento de Fisiologia Instituto de BiociênciasUniversidade Estadual Paulista departamento de Biologia Estrutural e Funcional Instituto de BiologiaUniversidade Estadual de Campinas(UNICAMP departamento de Ciencias Biológicas Instituto de BiotecnologiaUniversidade Federal de Goiás departamento de Morfologia Instituto de BiociênciasUniversidade Estadual Paulista

AIM To evaluate the anti-inflammatory intestinal effect of the ethanolic extract(EtO HE) and hexane phase(HexP) obtained from the leaves of Combretum duarteanum(Cd).METHODS Inflammatory bowel disease was induced using trinitrobenzenesulfonic acid in acute and relapsed ulcerative colitis in rat models. Damage scores, and biochemical, histological and immunohistochemical parameters were evaluated. RESULTS Both Cd-Et OHE and Cd-Hex P caused significant reductions in macroscopic lesion scores and ulcerative l e sionareas. The vegetable samples inhibited myeloperoxidase increase, as well as pro-inflammatory cytokines TNF-α and IL-1β. Anti-inflammatory cytokine IL-10 also increased in animals treated with the tested plant samples. The anti-inflammatory intestinal effect is related to decreased expression of cyclooxygenase-2, proliferating cell nuclear antigen, and an increase in superoxide dismutase. CONCLUSION The data indicate anti-inflammatory intestinal activity. The effects may also involve participation of the antioxidant system and principal cytokines relating to inflammatory bowel disease.

关键词： Combretum duarteanum 药用的植物 Combretaceae 煽动性的肠疾病反煽动性的肠的活动

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Chemical composition of Rosmarinus officinalis essential oil and antioxidant action against gastric damage induced by absolute ethanol in the rat

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Asian Pacific Journal of Tropical Biomedicine 2016年第8期6卷 677-681页

作者： Christiane Takayama felipe meira de-faria Ana Cristina Alves de Almeida Ricardo Jose Dunder Luis Paulo Manzo Eduardo Augusto Rabelo Socca Leonia Maria Batista Marcos Jose Salvador Alba Regina Monteiro Souza-Brito Anderson Luiz-Ferreira Functional and Structural Biology department Biology Institute Campinas State University Pharmacology department Faculty of Medical Sciences Campinas State University department of Pharmaceutical Sciences Federal University of Paraiba Plant Physiology department Biology Institute Campinas State University Federal University of Goias Institute of Biotechnology Nucleus of Biological Sciences Regional Catalao

Objective: To evaluate the antioxidant activity of the essential oil obtained from Rosmarinus officinalis(R. officinalis) in ethanol-induced gastric ulcer model in vivo.Methods: The antioxidant properties of the essential oil obtained from R. officinalis were evaluated against gastric injury induced by absolute ethanol. Gastric tissues were prepared to enzymatic assays. The levels of glutathione, lipid peroxides, and the activities of glutathione peroxidase, superoxide dismutase and myeloperoxidase were measured.Results: Ethanol produced severe hemorrhagic lesions in the stomach with ulcerative lesion of(140.2 ± 37.2) mm2. In animals pretreated with essential oil of R. officinalis(50 mg/kg, p.o.), a significant inhibition of mucosal injury of(21.2 ± 7.1) mm2(84%inhibition) was observed. The essential oil of R. officinalis protected the gastric mucosa probably by modulating the activities of the enzymes(superoxide dismutase and glutathione peroxidase) and increasing or maintaining the levels of glutathione. In addition,lipid peroxides levels were reduced. The essential oil of R. officinalis was analyzed by gas chromatography–mass spectrometer and the main constituents were cineole(28.5%),camphor(27.7%) and alpha-pinene(21.3%).Conclusions: We suggest that the monoterpenes present in the essential oil obtained from R. officinalis may be among the active principles responsible for the antioxidant activity shown by essential oil of R. officinalis.

关键词： Rosmarinus officinalis L. Antioxidant activity Gastric ulcer Antioxidant enzymes

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