Epipinoresinol is an important component of the medicinal herb Eucommia ulmoides, which has a substantial reputation as an effective antihypertensive remedy. Epipinoresinol (EPR) belongs to the group of furofuran-type lignans consisting of two phenylpropane units. (+)-epipinoresinol exhibited antiplatelet aggregation activity. It also exhibited inhibitory effects on nitric oxide production. Epipinoresinol possess antiproliferative activity.