Research Article
Determination of the Chemical Stability of Cyanocobalamin in Medical Food by a Validated Immunoaffinity Column-Linked HPLC Method
Table 3
Accuracy and precision of HPLC analysis for cyanocobalamin.
| | Compound | Standard added (mg/kg) | Accuracy (n = 4) | Precision (n = 6) | | Mean (mg/kg) | Recovery (%) | RSD (%) | Intraday | Interday | | RSD (%) | RSD (%) |
| | SRM1849a | 0.048 2 | 0.046 5 ± 0.001 0 | 96.42 | 2.12 | — | — | | Medical food | 0.048 0 | 0.046 9 ± 0.001 0 | 97.63 | 2.09 | 3.09 | 3.26 |
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