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Danhong injection (DHI) and ceftriaxone sodium were used in combination based on their experimental uses in clinic. This study was designed to investigate the impact of ceftriaxone on pharmacokinetics and pharmacodynamics of the phenolic acids from DHI. After administration of DHI for 7 d, ceftriaxone (CFTX) was combined with DHI for the next 7 d in adult male Sprague-Dawley (SD) rats. All the drugs were administered through caudal vein. UHPLC-TQ-MS was applied in determining the plasma concentration of p-coumaric acid (p-CA), salvianolic acid D (SaD), rosmarinic acid (RA) and salvianolic acid B (SaB). The pharmacokinetic parameters of the combination group or the Danhong injection alone group were calculated by statistical moment method, Cmax and the average of the area under the curve AUC0-t using 90% confidence interval of the bioequivalence and bioavailability degree module in DAS 3.2.8 statistic software. The results showed that Cmax of p-CA, SaD, RA and SaB were unqualified within 90% confidence intervals for bioequivalence statistics. And the results showed that AUC0-t of SaD, RA and SaB within 90% confidence intervals for bioequivalence statistics were unqualified. There were no significant difference in the tmax (P>0.05). The results of anticoagulation in vivo showed that the international normalized ratio (INR), prothrombin time (PT), thrombin time (TT) and activated partial thromboplastin time (APTT) were significantly increased when combined with CFTX (P < 0.05 or P < 0.01). The results in antithrombotic effects revealed that the thromboxane B2 (TXB2) level in serum was significantly decreased (P < 0.01) in the combination group compared with Danhong injection alone. However, there was no significant difference in antiplatelet effects. These results suggest that CFTX may enhance the anticoagulation and antithrombotic effects of DHI through altering pharmacokinetics and pharmacodynamics in SD rats.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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