Table 3.
Published natural vitamin D-3 and 25(OH)-D-3 content in chicken eggs1
| Reference | Foodstuff | D-3 | 25(OH)-D-3 |
| μg/kg | μg/kg | ||
| Koshy and VanDerSlik (70) | Egg, yolk | 5.0–8.0 | |
| Jackson et al. (68) | Egg, whole | 16 | |
| Sivell et al. (69) | Egg, whole | 8–14 | |
| Takeuchi et al. (63) | Egg, yolk | 39 | |
| Mattila et al. (66) | Egg, yolk (autumn) | 40 | |
| Egg, yolk (spring) | 56 | ||
| Mattila et al. (65) | Egg, yolk | 9.8 | |
| Kobayashi et al. (27) | Egg, whole | 302 | |
| Egg, yolk | 582 | ||
| Mattila et al. (67) | Egg, yolk | 34 | 9.3 |
| Mattila et al. (38) | Egg, whole | 14 | 3.8 |
| Egg, yolk (autumn) | 40 | 10.0 | |
| Egg, yolk (spring) | 49 | 13.0 |
1
Mean values. 25(OH)-D-3, 25-hydroxycholecalciferol.
2
Sum of vitamins D-3 and D-2.