Table 5.
Evaluation of linearity range, correlation factor, calibration curves, LOD, LOQ, and precision (expressed as relative standard deviation, RSD%) of the analyzed standards by HPAEC–PAD.
| Range (mg/L) |
RQ | Calibration Curve | LOD (mg/L) |
LOQ (mg/L) |
RSD % |
|
|---|---|---|---|---|---|---|
| Fructose | 10–50 | 1 | y = 2.85x + 5.84 | 0.86 | 2.61 | 0.17 |
| Glucose | 10–50 | 1 | y = 4.25x+ 0.138 | 0.24 | 0.74 | 0.08 |
| Isomaltose | 5–50 | 1 | y = 2.79x +0.80 | 0.17 | 0.52 | 0.12 |
| Panose | 1–20 | 1 | y = 1.72x – 0.06 | 0.17 | 0.52 | 0.07 |
| Isomaltotriose | 1–20 | 1 | y = 2.55x-0.18 | 0.24 | 0.74 | 0.19 |
| Sucrose | 1–20 | 1 | y = 1.94x – 0.25 | 0.2 | 0.63 | 0.04 |
| Erlose | 1–20 | 1 | y = 1.29x -0.07 | 0.14 | 0.41 | 0.06 |
| Maltose | 1–20 | 1 | y = 1.70x + 0.19 | 0.076 | 0.23 | 0.48 |
| Nigerose | 1–20 | 1 | y = 1.65x+ 0.23 | 0.07 | 0.21 | 0.35 |
| Melezitose | 1–50 | 1 | y = 1.95x + 0.069 | 0.15 | 0.48 | 0.37 |
| Trehalose | 1–20 | 1 | y = 2.64x+ 0.22 | 0.05 | 0.16 | 0.05 |
| Koijbiose | 1–20 | 1 | y = 2.22x + 0.39 | 0.18 | 0.53 | 0.47 |
| Palatinose | 5–50 | 1 | y = 1.05x + 0.89 | 0.38 | 1.15 | 0.80 |