GSTM1 and Arthritis: Dose: 300 mg/kgMethods: Freund’s adjuvant-induced arthritis rats, where suspension of killed Mycobacterium tuberculosis (0.5%) in liquid paraffin was injected into the left hind paw, and the changes in paw edema were measured.Findings: The extract inhibited the edema by 68.32% after 21 days (indomethacin showed 74.87% inhibition). In hematological parameter, treatment with the extract significantly decreased the total whole blood count (WBC) and erythrocyte & sedimentation rate (ESR), but increased the red blood count (RBC) and hemoglobin (Hb) level.