Table 1.
Compound | LOD (mg/Kg) |
LOQ (mg/Kg) |
Equation y = (a ± Sa) + (b ± Sb)x (Linear Range: 0.1–8 mg/Kg) |
r2 | Intra-Day Precision RSDr (%) (n = 6) |
Inter-Day Precision RSDR (%) (n × k = 3 × 3) |
RE% | ME% |
---|---|---|---|---|---|---|---|---|
Oleuropein | 0.038 | 0.131 | y = (1.18 ± 0.16) + (2.08 ± 0.05) | 0.996 | 5.8 | 6.5 | 85.9 | −18.6 |
Tyrosol | 0.042 | 0.125 | y = (0.06 ± 0.06) + (1.23 ± 0.02) | 0.998 | 5.4 | 6.1 | 93.2 | −16.4 |
Hydroxytyrosol | 0.046 | 0.098 | y = (0.18 ± 0.05) + (0.51 ± 0.01) | 0.995 | 4.7 | 5.8 | 90.5 | −12.7 |
LOD: limit of detection, LOQ: limit of quantification, r2: regression coefficient, RSD: relative standard deviation, RE: recovery, ME: matrix effect.