Table 3 Experimental values obtained in the recovery test of vitamin B1, B6, B2 and C by HPLC, fluorescence and titration, respectively.
[B1] (μg/mL) | Mass found (%) ± RSD | [B6] (μg/mL) | Mass found (%) ± RSD | [B2] (μg/mL) | Mass found ± RSD (%) | [C] (mg) | Mass found (%) ± RSD |
|---|---|---|---|---|---|---|---|
20 | 98.6 ± 3.05 | 30 | 99.2 ± 1.26 | 2 | 98.7 ± 1.35 | 50 | 98.7 ± 0.81 |
30 | 100.7 ± 2.21 | 45 | 100.6 ± 1.97 | 3 | 100.7 ± 1.22 | 80 | 99.2 ± 1.42 |
40 | 98.2 ± 3.82 | 60 | 99.8 ± 2.45 | 3 | 100.8 ± 1.13 | 100 | 98.9 ± 1.19 |
50 | 100.2 ± 0.90 | 75 | 99.8 ± 1.13 | 4 | 100.0 ± 1.27 | 130 | 100.0 ± 1.01 |
60 | 99.6 ± 0.69 | 90 | 99.9 ± 0.58 | 5 | 99.6 ± 0.89 | 150 | 99.5 ± 0.89 |