Effect of Rosmarinic and Caffeic Acids on Inflammatory and Nociception Process in Rats

Abstract

Rosmarinic acid is commonly found in species of the Boraginaceae and the subfamily Nepetoideae (Lamiaceae). It has a number of interesting biological activities, for example, antiviral, antibacterial, anti-inflammatory, and antioxidant. The aim of the present study was to investigate the effect of the i.p. administration of caffeic and rosmarinic acid (5 and 10 mg/kg) on anti-inflammatory and nociceptive response using carrageenan-induced pleurisy model and tail-flick assay in rats. The analysis of cells in the pleural exudates revealed a reduction of 66% of the number of leukocytes that migrated to the pleural cavity in the animals treated with 5 mg/kg caffeic acid, and of 92.9% for the animals treated with 10 mg/kg in comparison with the control group. These exudates showed a balanced distribution of polymorphonuclear (PMN) and mononuclear (MN) cells, differently from the control group, in which PMN cells were predominant. The analysis to tail-flick latency was increased in the group treated with 10 mg/kg caffeic acid characterizing a nociceptive response. While there was no difference between control group and animals treated with rosmarinic.

DOI: 10.5402/2011/451682

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@inproceedings{Gamaro2011EffectOR, title={Effect of Rosmarinic and Caffeic Acids on Inflammatory and Nociception Process in Rats}, author={Giovana Duzzo Gamaro and Edna Sayuri Suyenaga and Milene Borsoi and Joice Lermen and Patr{\'i}cia M Pereira and Patr{\'i}cia Grolli Ardenghi}, booktitle={ISRN pharmacology}, year={2011} }