Abstract
Aim: The experimental investigation of current research work was to identify traditional rich claim of Stereospermum suaveolens DC leaves for anti-inflammatory and anti-arthritic potential action in animals.
 Study design: Ethyl acetate fraction of Stereospermum suaveolens DC (Bignoniaceae) methanolic extract of leaves evaluated at 125mg/kg, 250mg/kg and 500mg/kg (p.o.) doses for anti-inflammatory and anti-arthritic activity.
 Methodology: Ethyl acetate fraction of Stereospermum suaveolens DC (Bignoniaceae) methanolic extract of leaves was evaluated for phytochemical investigation for total flavonoid content using UV spectroscopy and TLC study. Carrageenan induced rat paw edema (Acute method) and Freund’s complete adjuvant (FCA) induced chronic arthritis in wistar rats were used as an animal models to claim Stereospermum suaveolens DC leaves for anti-inflammatory and anti-arthritic potential. The rat paw volume and percentage inhibition of the paw edema were evaluated for anti-inflammatory activity. The assessments of arthritis in rats were measured by haematological values and radiological examinations.
 Result: Ethyl acetate fraction of Stereospermum suaveolens DC (Bignoniaceae) methanolic extract of leaves showed presence of total flavonoids and saponins. The significant inhibition in paw volume and edema (p < .01) obtained at 250mg/kg and 500mg/kg oral dose. These obtained results were established confirmation outcome for presence of rich flavonoid contents in Stereospermum suaveolens DC leaves and provides valuable source of bioactive phytocomponents. 
 Conclusion: Ethyl acetate fraction of Stereospermum suaveolens DC (Bignoniaceae) methanolic extract of leaves showed significant inhibition of inflammatory reaction as compared to standard drug indomethacin Sterospermum Suaveolens DC leaves were showed potential therapeutic role in treatment of inflammation and arthritis cases.
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