Kaji-ichigoside F1 shows antiinflammatory antinociceptive action in acetic acid-induced writhing and hot plate testing and in a carrageenan-induced paw edema model in mice and rats. Kaji-ichigoside F1 exhibits in vivo hepatoprotective effects, it inhibite
13,14-dihydro-15-keto Prostaglandin F1α (13,14-dihydro-15-keto PGF1α) is a metabolite of PGF1α that has been reported in the rat stomach. The measurement of 13,14-dihydro-15-keto PGF1α can be used as a marker of the in vivo production of PGF1α.