Table 1: Physical characteristics of the carotenoids and retention time of the carotenoid peaks.
Carotenoid | Chemical structure, MW | Wavelength nm | Molar ex-tinction coefficient* | Retention time, Minutes |
β-Apo-8-carotenal | C30H40O, 416 | 416 | 110000 | 6.26 (5.85 - 6.45) |
α-Carotene | C40H56, 536 | 445 | 145256 | 15.7 (14.0-16.7) |
β-Carotene | C40H56, 536 | 451 | 139500 | 16.8 (14.76-17.7) |
β-Cryptoxanthin | C40H56O, 552.88 | 450 | 131012 | 8.2 (7.48- 8.57) |
Lutein | C40H56O2, 568.9 | 445 | 144482 | 4.3 (4.06 – 4.41) |
Lycopene | C40H56, 536 | 470 | 185185 | 10.49(9.3-11.0) |