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Published on:May 2021
Indian Journal of Pharmaceutical Education and Research, 2021; 55(2):507-516
Original Article | doi:10.5530/ijper.55.2.89

Anti-inflammatory and Anti-arthritic Activity of Rosmarinic acid Isolated from Rosmarinus officinalis in an Experimental Model of Arthritis


Authors and affiliation (s):

Tianhu Wei1, Yuan Liu2, Meirong Li3,*

1Department of Bao’s Orthopedic, Inner Mongolia International Mongolian Hospital, Hohhot City, Inner Mongolia, CHINA.

2Department of Emergency, The First Affiliated Hospital of Zhengzhou University, 1 Jianshe Road, Zhengzhou City, Henan, CHINA.

3Department of Rheumatology, XuZhou Central Hospital, XuZhoucity, JiangSu Province, CHINA.

Abstract:

Background: Rosmarinus officinalis L. (family Lamiaceae is a perennial herb or small woody evergreen tree, commonly known as rosemary, which is native to the Mediterranean and Asia and reasonably hardy in cool climates. It has been used as a decoction in traditional Unani and Swedish medicine for the treatment of inflammatory diseases. Aim: To isolate rosmarinic acid (RA) from R. officinalis. leaf extract and to evaluate its protective effects against Freund’s adjuvant-induced arthritis in rats. Materials and Methods: Arthritis was induced via sub-plantar injection of 1mg heat-killed Mycobacterium tuberculosis (complete Freund’s adjuvant, CFA) into the left hind paw of rats. The experiment was designed and optimized based on published methods. Results: At 60 mg/kg, the RA fraction of the methanolic extract of R. officinalis L. exerted potentially effective anti-arthritic effects by controlling inflammation in an adjuvant-induced experimental model. Conclusion: Considering experimental findings relating to pharmacological and biochemical parameters, we conclude that oral administration of the RA fraction (30 and 60 mg/kg) from the methanolic extract of R. officinalis L. exerts anti-arthritic effects and controls inflammation in an adjuvant-induced arthritis rat model. RA is therefore a promising plant-derived anti-arthritic agent for the treatment of inflammatory disorders.

Key words: Freund’s adjuvant-induced arthritis, Rosmarinic acid, Rosmarinus officinalis L., Histopathology, Inflammation.

 




 

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The Official Journal of Association of Pharmaceutical Teachers of India (APTI)
(Registered under Registration of Societies Act XXI of 1860 No. 122 of 1966-1967, Lucknow)

Indian Journal of Pharmaceutical Education and Research (IJPER) [ISSN-0019-5464] is the official journal of Association of Pharmaceutical Teachers of India (APTI) and is being published since 1967.

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