Notes: β-Sitostenone is a phytosterol that has been found in A. occidentale and has diverse biological activities.{62626,67354,67355,67356} It inhibits basal nitric oxide (NO) production in RAW 264.7 macrophages (IC50 = 15.9 µM).{62626} β-Sitostenone is active against T. evansi (IC50 = 150 nM).{67354} It reduces mean blood pressure in normotensive rats when administered at a dose of 2 mg/kg.{67355} β-Sitostenone (1.3 and 3 mg/kg) decreases blood glucose levels in dogs.{67356}