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In vivo antiarthritic activity of Rosa centifolia L. flower extract
Rohit Kumar1, Vinod Nair2, Surender Singh1
1Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India.
Introduction:
Rosa centifolia L. (Rosaceae) have been used for the treatment of joint pain and rheumatoid arthritis (RA) in the traditional system of medicine.
Aim:
In this study, the antiarthritic activity of the alcoholic extract from the floral parts of R. centifolia was investigated.
Materials And Methods:
The anti-inflammatory and antiarthritic activity of R. centifolia alcoholic extract (RCAE: 32, 64, and 128 mg/kg) was evaluated using the carrageenan-induced paw edema and complete Freund's adjuvant (CFA) induced arthritis model. Serum from arthritic rats was collected for the estimation of pro-inflammatory cytokine levels. Further, the safety of RCAE was evaluated in an acute and sub-acute (28-day) oral toxicity study.
Results:
RCAE (64 and 128 mg/kg) significantly (P < 0.01) inhibited carrageenan-induced paw edema at 1, 3, and 6 h post carrageenan challenge and demonstrated significant (P < 0.01) antiarthritic activity on days 3, 7, 14, and 21 day following CFA immunization. Further, RCAE (128 mg/kg) treatment also produced a significant (P < 0.01) decrease in circulating pro-inflammatory cytokine levels as compared with control. Further, no toxicologically significant treatment-related effects were observed in the oral sub-acute toxicity study conducted with the extract.
Conclusion:
The result of study demonstrates the antiarthritic activity of R. centifolia and validates its traditional use for the treatment of RA.
