Figure 4-2. Off-line two-dimensional chromatograms of blackcurrant oil using nonaqueous reversed-phase (NARP) in the first dimension and silver-ion mode in the second dimension after fraction collection each minute: (A) dot plot with the peak identification, double bond (DB), and equivalent carbon number (ECN) labeling, (B) contour plot showing peak intensities. Ag-HPLC, silver-ion high performance liquid chromatography.

Reprinted with permission from Holcapek, M., Velnska, H., Lısa, M., Cesla, P., 2009. Orthogonality of silver-ion and non-aqueous reversed-phase HPLC/MS in the analysis of complex natural mixtures of triacylglycerols. J. Sep. Sci. 32, 3672-3680.

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