Table 2 Intra-day precision for the quantification of formononetin (1) and biochanin A (2)
Compound | Spiked concentration (mg/mL) | Intra-day (n = 5) | |
|---|---|---|---|
Measured concentration (mg/g) | RSD (%) | ||
1 | 15 | 0.87 | 1.02 |
20 | 0.86 | 0.88 | |
25 | 0.87 | 0.37 | |
30 | 0.86 | 1.03 | |
2 | 15 | 1.02 | 0.58 |
20 | 1.00 | 0.68 | |
25 | 1.03 | 0.71 | |
30 | 1.03 | 1.09 | |