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Table 3 Stability of AAs in rat plasma expressed as RSD% (n = 5)

From: Comparative studies on the multi-component pharmacokinetics of Aristolochiae Fructus and honey-fried Aristolochiae Fructus extracts after oral administration in rats

Compound Concentration (ng/mL) Freeze-thaw stability (RSD/%) Long-term stability (RSD/%) Short-term stability (RSD/%) Post-preparation stability (RSD/%)
AA I 1.83 1.1 0.28 0.58 0.65
457.5 10.3 6.9 8.7 2.0
1830 12.9 7.6 6.5 4.5
AA II 8.00 1.3 1.2 5.0 4.4
400 10.2 8.2 5.5 3.6
3200 14.3 7.3 9.3 6.5
AA C 186.3 5.8 8.3 14.0 9.2
372.5 7.3 9.9 12.6 8.5
2980 12.9 12.0 13.0 7.0
AA D 36.8 4.8 5.2 5.0 4.5
460 8.4 2.5 11.7 3.1
3680 14.3 12.7 8.6 2.8
7-OH AA I 82.0 6.2 2.0 7.1 5.1
410 12.3 6.4 11.8 4.2
3280 13.4 11.1 9.1 6.7