Plaunol A from Croton stellatopilosus Inhibits Inducible Nitric Oxide Synthase and Cyclooxygenase-2 in Macrophage RAW264.7 Cells

A clerodane diterpene (plaunol A) and three flavonoids (vitexin; luteolin-7-O-β-D-glucoside and luteolin-4'-O-glucoside) were isolated from stems and leaves of Croton stellatoliosus Ohba, using ser...