Table 4 Inter-day precision for the determination of 1,5-dicaffeoylquinic acid (DCQA) and chicoric acid (CA) contents
Compound | MST Concentration (mg/mL) | Inter-day (n = 5) | |
|---|---|---|---|
Measured content (mg/g) | RSD (%) | ||
DCQA | 50 | 1.229 | 0.43 |
1.213 | 0.42 | ||
1.242 | 0.62 | ||
CA | 50 | 0.380 | 0.42 |
0.384 | 0.60 | ||
0.389 | 0.11 | ||