Table 4.
Calibration curves of authentic standards used for quantification of different carotenoids and chlorophylls.
| Standards | Calibration Curve | r 2 | LOD (µg/mL) a | LOQ (µg/mL) b |
|---|---|---|---|---|
| Zeaxanthin | y = 1040515632x − 285181 | 0.9981 | 0.0072 | 0.0239 |
| Lutein | y = 273528935x − 49102 | 0.9988 | 0.0921 | 0.3070 |
| Canthaxanthin | y = 12144399x − 12640 | 0.9992 | 0.3251 | 1.0840 |
| Echinenone | y = 227303816x − 19677 | 0.9998 | 0.0935 | 0.3312 |
| Chlorophyll-a | y = 6636898x − 6835 | 0.9993 | 0.5143 | 1.7140 |
| β-Carotene | y = 140882609x − 43144 | 0.9988 | 0.0323 | 0.1080 |
a LOD: Limit of detection. b LOQ: Limit of quantification.