Vascular effects of different lipophilic components of "Danshen", a traditional Chinese medicine, in the isolated porcine coronary artery.

"Danshen" has been used for the treatment of various cardiovascular diseases in the People's Republic of China for many years. Two different forms of "Danshen" exist, with the roots of Salvia miltiorrhiza being the traditional form and the roots of Salvia przewalskii being a surrogate used in the western areas of mainland China. The most abundant lipophilic diterpene quinones present in S.