Application and comparison of high-speed countercurrent chromatography and high-performance liquid chromatography in semi-preparative separation of decarboxymethyl oleuropein aglycone (3,4-DHPEA-EDA), a bioactive secoiridoid from extra-virgin olive oil

1. Jiménez-Sánchez, C.
2. Lozano-Sánchez, J.
3. Brüggemann, M.
4. Neves-Vieira, M.
5. Rodriguez-Werner, M.
6. Schmalfuß, E.
7. Winterhalter, P.
8. Segura-Carretero, A.
9. Fernández-Gutiérrez, A.