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https://www.selleckchem.com/products/hc-258.html From the Song Dynasty, olibanum had been mainly used as medicinal because of its good effect to treat wounds. In traditional Chinese medicine, olibanum unblocks menstruation, relieves pain and reduces swelling and generated muscles. The medicinal efficacy of olibanum is not much different from ancient to modern. Only the efficacy of replenishing energy and promoting the movement of Qi was rarely mentioned in modern reference. In this article, the historical evolutions of olibanum about original plants, processing and medicinal efficacy were sorted out. The results could provide historical basis for the further development and clinical utilization of olibanum.The purpose of this study was to investigate the inhibitory effects of the main active components of Salviae Miltiorrhizae Radix et Rhizoma on the metabolism of tacrolimus mediated by CYP3 A4/5 enzyme, so as to predict the potential drug-drug interaction(DDI) in clinical use. First, the reversible inhibitory activities of five active components of Salviae Miltiorrhizae Radix et Rhizoma(tanshinone Ⅰ, tanshinone Ⅱ_A, cryptotanshinone, salvianolic acid B, dihydrotanshinone Ⅰ) on the metabolism of tacrolimus was investigated by using human liver microsomes(HLM) and recombinant human CYP3 A4/5 enzyme in vitro, then the dose-dependent inhibition of CYP3 A4/5 activity was calculated in HLM. Finally, the time-dependent inhibition(TDI) activities of five active components were studied in HLM through the robust single point inhibition test. In addition, a simple and rapid liquid chromatography tandem mass spectrometry method(HPLC-MS/MS) for the determination of tacrolimus was established in this study. The results showed that dihydrotanshinone Ⅰ had a strong inhibitory effect on the metabolism of tacrolimus in both HLM and rCYP3 A4/5 enzyme systems, and the inhibitory potential IC_(50) in HLM was 6.0 μmol·L~(-1), while the other four active components of Salviae Miltiorrhiz

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