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Vitamin D2 (µg/g) stability in the NF
| Batch number | Vitamin D2 content (µg/g) | Method of analysis | ||
|---|---|---|---|---|
| 0 years | 3 years | 4 years | ||
| #3 | 167.0 | 148.6 | n.a | HPLC/DAD |
| #4 | 159.3 | 129.6 | n.a | |
| #5 | 182.6 | 142.6 | n.a | |
| #25 | 198.2 | n.a | 133.6 | |
| #22 | 190.1 | 181.7 | n.a | |
n.a: not analysed; HPLC: High‐performance liquid chromatography; DAD: diode array detector.
