Table 2.
Individual and the sum of carotenoids identified in tomato by-product extracts determined by HPLC/DAD and expressed as µg/g dw.
| Compound | λmax (nm) |
Rt (min) |
Freeze-Dried Samples (µg/g dw) |
Wet Samples (µg/g dw) |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| EA | EL | EA:EL | Hex | EA | EL | EA:EL | Hex | |||
| Lutein | 425, 446, 476 | 5.71 | 17.18 ± 0.4 | 31.16 ± 0.7 | 31.16 ± 0.9 | 24.34 ± 0.6 | n.d. | n.d. | n.d. | n.d. |
| Lycopene | 448, 474, 508 | 11.40 | 284.50 ± 0.9 | 254.08 ± 1.1 | 270.67 ± 1.4 | 266.88 ± 1.4 | 1313.54 ± 1.9 | 1324.89 ± 2.0 | 690.28 ± 0.7 | 1184.15 ± 2.2 |
| Β-Carotene | 455, 480 | 12.62 | 73.58 ± 0.6 | 78.74 ± 0.8 | 82.47 ± 0.7 | 75.22 ± 06 | 235.57 ± 1.4 | 222.59 ± 1.6 | 122.20 ± 0.9 | 209.47 ± 1.3 |
| Sum of carotenoids |
375.26 ± 0.6 | 363.98 ± 0.8 | 384.3 ± 1.0 | 366.44 ± 1.2 | 1549.11 ± 1.7 | 1547.48 ± 1.8 | 812.48 ± 0.8 | 1393.62 ± 1.2 | ||
n.d. = not defined.