Figure 4. Extracted RRLC-MRM ion chromatogram of the analytes.

The quantifier, qualifier and MRM transitions of extracted ions for blank, nine water-soluble standards and phytococktail sample have been shown for 1A–1I: vit B₁, 2A–2I: vit B₂, 3A–3I: vit B₃ (nicotinic acid), 4A–4I: vit B₃ (nicotinamide), 5A–5I: vit B₅, 6A–6I: vit B₆, 7A–7I: B₇, 8A–8I: vit B₉ and 9A–9I: vit B₁₂.