Table 2.
Separation and identification of carotenoid components in different tissues of the persimmon fruits cv. ‘Xiaofangshi’ and ‘Youhou’ by high performance liquid chromatography with photodiode array detection.
| Peak no. | Carotenoids | Rt b (min) | λmax c (nm) | Abundance d (%) | |||
|---|---|---|---|---|---|---|---|
| Xiaofangshi | Youhou | ||||||
| Peel | Flesh | Peel | Flesh | ||||
| 1 | Neoxanthin | 10.83 | 416, 440, 469 | 2.69 | 2.64 | 3.04 | 4.79 |
| 2 | Violaxanthin | 11.26 | (415), 439, 468 | 5.73 | 3.87 | 7.14 | 4.18 |
| 3 | Unidentified a | 11.85 | 377, 423, 448 | / e | 0.65 | / | / |
| 4 | Unidentified | 12.13 | 412, 437, 463 | 2.57 | / | 2.84 | 0.51 |
| 5 | Unidentified | 12.40 | 423, 451, 470 | 3.51 | 1.62 | 2.23 | 1.46 |
| 6 | Unidentified | 12.71 | 401, 425, 451 | / | / | / | 0.47 |
| 7 | Unidentified | 13.12 | 429, 445, 469 | / | / | 0.45 | / |
| 8 | Unidentified | 14.05 | 417, 446, 474 | 13.11 | 15.07 | 10.98 | 23.72 |
| 9 | 9- Cis-violaxanthin | 14.35 | 412, 435, 464 | 4.10 | / | 5.35 | / |
| 10 | Unidentified | 14.83 | 414, 442, 470 | 0.64 | / | / | / |
| 11 | Lutein | 16.22 | (420), 445, 473 | 13.53 | 3.64 | 9.91 | 2.64 |
| 12 | Unidentified | 17.09 | 429, 457, 485 | 1.86 | 1.03 | 1.65 | 0.46 |
| 13 | Zeaxanthin | 18.51 | (427), 450, 478 | 9.40 | 14.70 | 8.59 | 12.79 |
| 14 | Unidentified | 19.02 | (425), 441, 475 | / | / | 0.49 | / |
| 15 | Unidentified | 19.86 | (425), 441, 470 | 3.35 | 4.76 | 3.55 | 6.66 |
| 16 | Unidentified | 20.92 | (427), 451, 474 | 2.11 | 3.19 | 2.87 | 4.12 |
| 17 | Unidentified | 21.27 | 419, 443, 477 | 2.93 | 1.06 | 1.10 | / |
| 18 | Unidentified | 21.94 | 422, 446, 481 | / | / | 0.72 | / |
| 19 | Unidentified | 22.40 | (427), 454, 481 | / | / | 0.14 | / |
| 20 | Unidentified | 22.87 | 419, 443, 468 | / | / | 0.25 | / |
| 21 | β-Cryptoxanthin | 23.40 | (426), 451, 479 | 19.34 | 29.58 | 28.55 | 29.44 |
| 22 | Unidentified | 24.35 | 429, 452, 479 | / | / | 0.34 | / |
| 23 | Unidentified | 25.09 | 419, 446, 476 | 0.52 | 0.65 | 0.87 | / |
| 24 | Unidentified | 25.63 | (425), 451, 475 | 0.81 | 1.07 | 0.83 | 0.74 |
| 25 | α-Carotene | 26.04 | (424), 446, 474 | 6.59 | 2.86 | 2.33 | 0.70 |
| 26 | β-Carotene | 27.90 | (427), 452, 479 | 6.82 | 11.55 | 4.43 | 4.62 |
| 27 | Unidentified | 29.06 | (425), 449, 474 | 0.40 | 0.64 | 0.30 | / |
| 28 | Unidentified | 32.44 | 425, 458, 485 | / | / | 0.14 | 0.69 |
| 29 | Uunidentified | 35.60 | 413, 436, 479 | / | / | 0.14 | / |
| 30 | Unidentified | 36.11 | 421, 451, 475 | / | / | 0.09 | 0.54 |
| 31 | Lycopene | 47.44 | 446, 473, 503 | / | 1.46 | 0.59 | 1.48 |
a Unidentified compounds having carotenoid spectra; b Rt = retention time; c Obtained with photodiode array detection in mobile solvents; d Expressed as percentage of total carotenoids; e Under the detection limit.