Ginsenoside Ro
Ginsenoside Ro (Polysciasaponin P3; Chikusetsusaponin 5; Chikusetsusaponin V) exhibits a Ca2+-antagonistic antiplatelet effect with an IC50 of 155 μM. Ginsenoside Ro reduces the production of TXA2 more than it reduces the activities of COX-1 and TXAS.