Fig. 1. Quality control charts of vitamin B1 (A), B2 (B), B3 (C), and B12 (D) analysis.
Table 1. HPLC operating condition for vitamin B1 and B3 analysis
Table 2. HPLC operating condition for vitamin B2 analysis
Table 3. HPLC operating condition for vitamin B12 analysis
Table 4. Comparison of the LOD and LOQ value of vitamin B1, B2, B3 and B12
Table 5. Recovery and RSD values of vitamin B1, B2, B3 and B12 contents for SRM (standard reference material)
Table 6. Vitamin B1, B2, B3 and B12 contents of namuls consumed in Korea
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