An Efficient Solid-Phase Extraction-Based Liquid Chromatography Method to Simultaneously Determine Diastereomers <i>α</i>-Tocopherol, Other Tocols, and Retinol Isomers in Infant Formula

<div>Appearances of different brand SPE columns on retinols, tocopherols, and tocotrienols (T: tocopherol; T3: tocotrienol; 9-cis: 9-cis-retinol; 13-cis: 13-cis-retinol; all-trans: all-trans-retinol).</div>

Journal of Food Quality

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Figure 2

Figure 2: An Efficient Solid-Phase Extraction-Based Liquid Chromatography Method to Simultaneously Determine Diastereomers <i>α</i>-Tocopherol, Other Tocols, and Retinol Isomers in Infant Formula 

Figure 2 | An Efficient Solid-Phase Extraction-Based Liquid Chromatography Method to Simultaneously Determine Diastereomers α-Tocopherol, Other Tocols, and Retinol Isomers in Infant Formula 