Table 3 Recoveries for the assay of the five investigated compounds in HHT
Analytes | Spiked amount (μg/mL) | Detected amount (μg/mL) | Recoverya(%) | SD | RSD (%) |
|---|---|---|---|---|---|
Geniposide | 20.00 | 19.33 | 96.67 | 1.85 | 1.92 |
50.00 | 50.11 | 100.23 | 0.44 | 0.44 | |
100.00 | 100.87 | 100.87 | 0.24 | 0.24 | |
Baicalin | 16.00 | 13.98 | 87.35 | 1.45 | 1.66 |
40.00 | 34.67 | 86.69 | 0.77 | 0.89 | |
80.00 | 69.04 | 86.31 | 0.54 | 0.63 | |
Coptisine | 2.00 | 2.07 | 103.74 | 1.02 | 0.98 |
5.00 | 5.03 | 100.66 | 0.92 | 0.91 | |
10.00 | 10.97 | 109.74 | 0.31 | 0.28 | |
Palmatine | 5.00 | 4.98 | 99.67 | 2.05 | 2.05 |
12.50 | 12.75 | 102.01 | 1.50 | 1.47 | |
25.00 | 26.13 | 104.53 | 0.83 | 0.79 | |
Berberine | 2.00 | 1.99 | 99.47 | 1.18 | 1.19 |
5.00 | 5.44 | 108.76 | 1.82 | 1.67 | |
10.00 | 11.08 | 110.78 | 0.87 | 0.78 |