Table 1.
Carotenoid composition of RH and RHB fruits during ripening.
| Stage | Compound | Amount | |
|---|---|---|---|
| RH | RHB | ||
| S1 | Lutein isomers | 830 | 457 |
| β-carotene | 178 | 310 | |
| Neochrome epimers | 141 | n.d. | |
| (3-hydroxy)-5,6-epoxy-5,6-dihydro-β-ionone + (3-hydroxy)-5,6-epoxy-5,6-dihydro-10'-apo-β-carotenal (tent.) | 76 | n.d. | |
| β-cryptoxanthin | 64 | 68 | |
| Violaxanthin | 56 | n.d. | |
| Zeaxanthin | n.d. | 50 | |
| S2 | Lutein isomers | 577 | 485 |
| Neochrome epimers | 114 | n.d. | |
| β-carotene | 109 | 313 | |
| (3-hydroxy)-5,6-epoxy-5,6-dihydro-β-ionone + (3-hydroxy)-5,6-epoxy-5,6-dihydro-10'-apo-β-carotenal (tent.) | 54 | n.d. | |
| Violaxanthin | 23 | n.d. | |
| β-cryptoxanthin | 21 | 48 | |
| Zeaxanthin | n.d. | 54 | |
| Zeinoxanthin (tent.) | n.d. | 27 | |
| β-cryptoflavin | n.d. | 25 | |
| S3 | Lutein isomers | 1394 | 690 |
| Neochrome epimers | 382 | n.d. | |
| β-carotene | 292 | 330 | |
| Violaxanthin isomers | 253 | n.d. | |
| Luteoxanthin epimers | 137 | n.d. | |
| (3-hydroxy)-5,6-epoxy-5,6-dihydro-β-ionone + (3-hydroxy)-5,6-epoxy-5,6-dihydro-10'-apo-β-carotenal (tent.) | 77 | n.d. | |
| Auroxanthin | 49 | n.d. | |
| Zeaxanthin | n.d. | 77 | |
| β-cryptoflavin | n.d. | 34 | |
| Zeinoxanthin (tent.) | n.d. | 31 | |
| Br | Luteoxanthin epimers | 2506 | n.d. |
| (9Z)-lutein-5,6-epoxide isomers | 942 | n.d. | |
| β-carotene | 912 | 219 | |
| Violaxanthin isomers | 741 | n.d. | |
| Lutein isomers | 693 | 248 | |
| Zeaxanthin isomers | 523 | 27 | |
| Neochrome epimers | 437 | n.d. | |
| β-cryptoxanthin | 208 | 23 | |
| Mutatoxanthin epimers | 148 | n.d. | |
| Latochrome (tent.) | 141 | n.d. | |
| (all-E)-neoxanthin | 89 | n.d. | |
| Unidentified compound | 67 | n.d. | |
| (Z)-auroxanthin | 7 | n.d. | |
| S4 | Antheraxanthin isomers | 2391 | n.d. |
| Luteoxanthin isomers | 2304 | n.d. | |
| Zeaxanthin isomers | 1539 | 427 | |
| Mutatoxanthin epimers | 972 | 95 | |
| β-cryptoxanthin | 742 | 31 | |
| β-carotene | 583 | n.d. | |
| (all-E)-violaxanthin | 491 | n.d. | |
| Neochrome epimers | 459 | n.d. | |
| Phytofluene | 389 | 20 | |
| Lutein isomers | 480 | 150 | |
| Neoxanthin isomers | 275 | n.d. | |
| Latochrome epimers (tent.) | 183 | n.d. | |
| Unidentified compound | 76 | n.d. | |
| (3-hydroxy)-5,6-epoxy-5,6-dihydro-β-ionone + (3-hydroxy)-5,6-epoxy-5,6-dihydro-10'-apo-β-carotenal (tent.) | 55 | 8 | |
| ζ-carotene | n.d. | 20 | |
Average values are listed in descending order with respect to RH composition and expressed in ng/g fresh weight. PDA λ: 450 nm. tent.: tentative identification. n.d.: not detectable.