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June 5, 2013Pharmaceutical BiologyOpen Access

In vivoanalgesic and anti-inflammatory activities ofRosmarinus officinalisaqueous extracts, rosmarinic acid and its acetyl ester derivative

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Authors

RLRodrigo LucariniUniversidade Vale do Rio VerdeWBWagner Antônio BernardesCentro Universitário do Cerrado PatrocínioDFDaniele S. Ferreira

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Overview

Preclinical study demonstrates analgesic and anti-inflammatory efficacy of an acetylated rosmarinic acid derivative in rodent models, indicating potential as a therapeutic lead.

Key Points

  • To evaluate the in vivo analgesic and anti-inflammatory activities of aqueous extracts of Rosmarinus officinalis leaves and stems, pure rosmarinic acid, and an acetyl ester derivative of rosmarinic acid.
  • Tested oral aqueous leaf and stem extracts at 100, 200, and 400 mg/kg, and isolated rosmarinic acid and its acetyl ester derivative at 10, 20, and 40 mg/kg in animal models.
  • Assessed analgesic activity via abdominal constriction and formalin tests, and evaluated anti-inflammatory activity using carrageenin-induced paw edema in rats.
  • Aqueous leaf extracts, stem extracts, and unmodified rosmarinic acid showed no significant analgesic activity at any tested dose in the abdominal constriction test.
  • The acetyl ester derivative of rosmarinic acid exhibited significant analgesic activity in the abdominal constriction test and significantly reduced paw licking during the second phase of the formalin test.
  • The acetyl ester derivative produced significant anti-inflammatory effects across all tested doses (10, 20, and 40 mg/kg) in the carrageenin-induced paw edema assay.

Cite This Study

Lucarini et al. (2013) studied this question.

synapsesocial.com/papers/6a71fd47ac440176ef2a7483https://doi.org/10.3109/13880209.2013.776613
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