Table 2.
Vitamin retention after 24 months of storage.
| Temperature | Fortification Level | Vitamin Retention (%) | |||
|---|---|---|---|---|---|
| B1 | B2 | B6 | E | ||
| 1 °C | 0 | 89 ± 2.5 1 | 93 ± 3.3 1 | 78 ± 5.6 1 | 85 ± 17 1 |
| 1 | 96 ± 7.9 | 100 ± 18 | 92 ± 21 | 77 ± 13 1 | |
| 2 | 101 ± 5.5 | 100 ± 8.9 | 89 ± 5.7 1 | 81 ± 12 1 | |
| 3 | 99 ± 2.3 | 92 ± 6.9 1 | 91 ± 9.2 | 74 ± 9.0 1 | |
| 30 °C | 0 | 86 ± 2.8 1 | 93 ± 3.3 1 | 69 ± 8.2 1 | 72 ± 14 1 |
| 1 | 95 ± 7.2 | 95 ± 15 | 96 ± 20 | 88 ± 34 | |
| 2 | 97 ± 5.1 | 105 ± 8.5 | 86 ± 6.2 1 | 74 ± 25 1 | |
| 3 | 97 ± 4.3 | 95 ± 6.1 | 91 ± 9.2 | 74 ± 11 1 | |
| 40 °C | 0 | 89 ± 5.4 1 | 96 ± 4.4 | 76 ± 7.8 1 | 75 ± 11 1 |
| 1 | 90 ± 7.2 1 | 98 ± 13 | 82 ± 20 1 | 82 ± 15 1 | |
| 2 | 96 ± 5.7 | 96 ± 9.6 | 91 ± 9.7 1 | 68 ± 11 1 | |
| 3 | 96 ± 2.8 1 | 99 ± 6.0 | 91 ± 9.2 | 76 ± 11 1 | |
1 Post-hoc Student’s t-test shows significant difference (p < 0.05) in vitamin content between initial and 24-month samples.