Xueshuantong injection has been widely used to treat coronary disease in clinic. In this paper, its main group that is panax notoginseng saponions (PNS) was used as model drug. The objective was to study absorption mechanism of PNS and to develop oral enteric preparation of PNS which could avoid being destroyed by stomach acid and enzymes, on the basis of principles in biopharmaceutics and pharmacokinetics.
This paper fell into four parts.
In partⅠ, HPLC-UV (high-performance liquid chromatography-ul...