Table 1.
Effect of different starch osmo-coatings on the carotenoid retention and provitamin A activity in dehydrated pumpkin slices
| Osmo-coating | Lutein | α-carotene | β-carotene | Total carotenoids | Provitamin A activity (μg RAE/100 g) | ||||
|---|---|---|---|---|---|---|---|---|---|
| Content (µg/g d.w.) | Retention (%) | Content (µg/g d.w.) | Retention (%) | Content (µg/g d.w.) | Retention (%) | Content (µg/g d.w.) | Retention (%) | ||
| Fresh | 46.97 ± 0.92a | – | 388.33 ± 10.54a | – | 319.35 ± 8.27a | – | 754.65 ± 18.66a | – | 4279 |
| Control | 33.40 ± 0.85d | 71.1 ± 1.8c | 340.28 ± 9.83d | 87.6 ± 2.5c | 277.47 ± 5.39e | 86.9 ± 1.7d | 651.15 ± 10.28e | 86.6 ± 1.3d | 3730 |
| Cassava starch | 36.19 ± 1.33c | 77.1 ± 2.8b | 339.17 ± 9.60d | 87.3 ± 2.5c | 285.72 ± 8.20cd | 89.5 ± 2.5bc | 661.08 ± 19.09de | 87.9 ± 2.4cd | 3780 |
| Corn starch | 38.68 ± 2.60b | 82.4 ± 5.5a | 375.34 ± 6.58b | 96.7 ± 1.7a | 302.25 ± 4.97b | 94.6 ± 1.6a | 716.27 ± 9.55b | 95.5 ± 1.2a | 4083 |
| Potato starch | 36.92 ± 1.19bc | 78.6 ± 2.5ab | 357.07 ± 5.30c | 92.0 ± 1.4b | 290.93 ± 5.26c | 91.1 ± 1.6b | 684.92 ± 8.48c | 91.6 ± 1.1b | 3904 |
Data followed by different letters within the same column indicate significantly different