Table 2.
Content of vitamins in milk from yaks raised at different altitudes.
| Altitude | Cow's milk | |||
|---|---|---|---|---|
| 3,215 m | 4,340 m | 5,410 m | ||
| Vitamin A (mg/L) | 0.45 ± 0.19b | 0.78 ± 0.27c | 0.74 ± 0.24c | 0.16 ± 0.06a |
| Vitamin E (mg/L) | 1.82 ± 0.43b | 1.97 ± 0.51bc | 2.33 ± 0.49c | 1.37 ± 0.31a |
| Vitamin B1 (mg/L) | 4.15 ± 1.68c | 2.14 ± 0.69b | 2.81 ± 0.83b | 0.85 ± 0.32a |
| Vitamin B2 (mg/L) | 9.71 ± 2.83c | 5.24 ± 1.49b | 5.72 ± 1.64b | 1.91 ± 0.56a |
| Vitamin C (mg/L) | 32.80 ± 9.03c | 37.32 ± 11.07bc | 37.75 ± 8.03b | 21.51 ± 6.14a |
Values are mean ± standard deviation; means with different superscript letters within the same row are significantly different (P < 0.05).