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. 2015 Feb 20;6:25. doi: 10.3389/fphar.2015.00025

Table 2.

Absolute recoveries or extraction efficiency of asarones from the herb A. tatarinowii.

Asarone Concentration of QC sample (ng/mL) Mean recovery
Intra-day (n = 6) Inter-day (n = 9)
% recovery ± SD % RSD % recovery ± SD % RSD
β-asarone 400 94.65±4.67 4.94 95.75±5.33 5.57
1000 92.84±5.89 6.34 93.79±7.21 7.69
4000 96.02±4.15 4.32 96.59±4.87 5.50
α-asarone 400 96.61±6.02 6.23 94.45±6.24 6.61
1000 91.46±3.15 3.44 90.61±2.35 2.59
4000 102.36±4.22 4.12 101.03±4.56 4.51