A fungal metabolite; inhibits yeast α-glucosidase in vitro (IC50 = 383.2 μM); decreases plasma glucose levels in mice after administration of sucrose (3.1-31.6 mg/kg); decreases the plasma glucose postprandial peak in nicotinamide-streptozotocin-induced hyperglycemic mice (10 mg/kg); antagonist of NK1 receptors (Kis = 12, 42, and 43 μM for guinea pig, rat, and human receptors, respectively)