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| sample | vitamin D3 added (μg L–1) | vitamin D3 found (μg L–1) | recovery (%) | RSD% (n = 3) |
|---|---|---|---|---|
| soft gelatine caps | 48.6 | 97.2 | 1.7 | |
| 10 | 59.1 | 98.5 | 4.3 | |
| 25 | 73.8 | 98.4 | 2.7 | |
| 50 | 98.0 | 98.0 | 4.0 | |
| milk (without vitamin D3) | 3.1 | |||
| 10 | 9.7 | 97.0 | 4.1 | |
| 25 | 24.2 | 96.8 | 3.7 | |
| 50 | 48.5 | 97.0 | 3.8 | |
| Baby Ddrop | 49.0 | 98.0 | 2.8 | |
| 10 | 59.3 | 98.8 | 2.2 | |
| 25 | 74.1 | 98.8 | 1.9 | |
| 50 | 99.0 | 99.0 | 2.5 |
