Figure 3. Extracted RRLC-MRM ion chromatogram of the analytes.

The quantifier, qualifier and MRM transitions of extracted ions for blank, four fat-soluble standards and phytococktail sample have been shown for 1A–1I: vit A, 2A–2I: vit D₂, 3A–3I: vit E and 4A–4I: vit K₁.