Table 2.
Limit of detection (LOD) and quantification (LOQ), the linearity of the method, and power recovery percentages of d-limonene after extraction of gelatin and lignin samples spiked with three different concentrations.
| Matrix | Equation | r2 | LOD | LOQ | %R ± RSD Concentration (µg mL−1) |
||
|---|---|---|---|---|---|---|---|
| (mg g−1) | 0.30a | 1.2a | 2.4b | ||||
| Acetone | y = 0.941x − 0.009 | 0.999 | 0.051 | 0.153 | – | – | – |
| Gelatin | y = 1.972x − 0.086 | 0.998 | 0.024 | 0.073 | 103 ± 3.3 | 105 ± 5.5 | 111 ± 7.1 |
| Lignin | y = 1.212x − 0.025 | 0.995 | 0.039 | 0.119 | 99.1 ± 3.1 | 109 ± 6.0 | 103 ± 13 |
aThree repetitions; bseven repetitions. r2 coefficient of determination, LOD limit of detection, LOQ limit of quantification, R recovery, RSD relative standard deviation.