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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Pietrovski, Evelise Fernandes Magina, Michele Debiasi Alberton Gomig, Franciane Pietrovski, Caroline Fernandes Micke, Gustavo Amadeu Barcellos, Michele Pizzolatti, Moacir Geraldo Cabrini, Daniela Almeida Brighente, Inês Maria Costa Otuki, Michel Fleith |
| Spatial Coverage | Brazil |
| Description | Country affiliation: Brazil Author Affiliation: Pietrovski EF ( Laboratório de Inflamação, Dor e Febre, Departamento de Farmacologia, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, Curitiba, PR, Brazil.) |
| Abstract | Eugenia brasiliensis Lam., a plant from the south of Brazil, is used in the popular medicine for rheumatism treatment. This study reports that topical application of hydroalcoholic extract, fractions and isolated compounds from E. brasiliensis caused an inhibition of ear oedema in response to topical application of croton oil on the mouse ear. For oedema inhibition, the estimated ID50 values (dose reducing the inflammatory response by 50% relative to the control value) for hydroalcoholic extract and fractions (hexane, ethyl acetate and dichloromethane) were 0.17, 0.29, 0.13 and 0.14 mg/ear, respectively, with inhibition of 79+/-7%, 87+/-6%, 88+/-5% and 96+/-2%, respectively. Isolated phenolic compounds (quercetin, catechin and gallocatechin) were also effective in inhibiting the oedema (inhibition of 61+/-5%, 66+/-2% and 37+/-9%, respectively). Moreover, both extract and isolated compounds caused inhibition of polymorphonuclear cells influx (inhibition of 85+/-6%, 81+/-5%, 73+/-6% and 76+/-6%, respectively). The histological analysis of the ear tissue clearly confirmed that the extract and compounds of E. brasiliensis inhibited the influx of polymorphonuclear cells to mouse ear skin after application of croton oil. Furthermore, hydroalcoholic extract was also effective in inhibiting the arachidonic acid-mediated mouse ear oedema (ID50 value was 1.94 mg/ear and inhibition of 60+/-7%). Therefore, these results consistently support the notion that E. brasiliensis possesses topical anti-inflammatory activity. |
| File Format | HTM / HTML |
| ISSN | 00223573 |
| Issue Number | 4 |
| Volume Number | 60 |
| e-ISSN | 20427158 |
| Journal | Journal of Pharmacy and Pharmacology |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 2008-04-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Pharmacology Anti-inflammatory Agents, Non-steroidal Therapeutic Use Plant Leaves Chemistry Eugenia Administration, Topical Animals Isolation & Purification Antioxidants Arachidonic Acid Brazil Catechin Analogs & Derivatives Croton Oil Dermatitis Drug Therapy Etiology Dose-response Relationship, Drug Edema Chemically Induced Electrophoresis, Capillary Male Mice Phytotherapy Plant Extracts Quercetin Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pharmacology Pharmaceutical Science |
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