Journal of the American College of Nutrition -- Rocheford et al. 21 (Supplement 3): Figure 2

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Fig. 2. Tocopherol concentrations are determined by HPLC.(a) Chromatogram shows ${gamma}$ -tocopherol and ${alpha}$ -tocopherol and their respective retention times of 4.185 and 4.880. The concentrations are then associated with (b) a molecular maker genotype to determine if the genotype is associated with the phenotype.