A Rapid and Sensitive UHPLC-MS/MS Method for Determination of 2, 3, 8-Trimethylellagic, a Potent Active Compound from Sanguisorba officinalis L., and Its Application in the Pharmacokinetic Study within Thrombocytopenia Rats

Table 4

Stability of TMEA under different storage condition (RSD%, n = 6).

Concentration (ng/mL)	Short-term (12 h, 25°C)	Plasma sample (24 h, 4°C)	Long-term (30 d, −80°C)	Three freeze-thaw cycles (−80°C)
1.00	−8.55	−1.27	0.28	−7.34
10.00	−7.26	2.98	0.60	−2.58
100.00	1.95	1.08	−4.54	−6.57