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Table 1 Inter-day and intra-day precision of triptolide, triptonide, wilforlide and tripterine in intestinal perfusate solutions (inter-day n = 6; intra-day n = 6)

From: Different modulation of Panax notoginseng on the absorption profiling of triptolide and tripterine from Tripterygium wilfordii in rat intestine

Con. (μg/mL) Triptolide Triptonide Wilforlide Tripterine
0.5 1.0 3.0 0.2 1.0 2.0 0.5 1.0 2.5 0.2 1.0 2.0
Inter-day (%) 1.11 0.52 1.62 1.63 0.40 1.27 1.48 0.95 1.11 1.53 0.33 1.14
Intra-day (%) 1.18 0.63 1.80 1.77 0.44 1.35 1.72 1.05 1.25 1.79 0.37 1.47