Revising Reverse-Phase Chromatographic Behavior for Efficient Differentiation of Both Positional and Geometrical Isomers of Dicaffeoylquinic Acids

<div>Comparison of HPLC-PDA chromatograms of UV-irradiated sample of 3,5-diCQA achieved with bi-phenyl columns, showing the enhanced separation of isomers due to an increase in column temperature.</div>

Journal of Analytical Methods in Chemistry

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Figure 4: Revising Reverse-Phase Chromatographic Behavior for Efficient Differentiation of Both Positional and Geometrical Isomers of Dicaffeoylquinic Acids 

Figure 4 | Revising Reverse-Phase Chromatographic Behavior for Efficient Differentiation of Both Positional and Geometrical Isomers of Dicaffeoylquinic Acids 