An approach to speed up the isolation of hydrophilic metabolites from natural sources at semipreparative level by using a hydrophilic-lipophilic balance/mixed-mode strong cation exchange-high-performance liquid chromatography/mass spectrometry system

1. Espada, A.
2. Anta, C.
3. Bragado, A.
4. Rodríguez, J.
5. Jiménez, C.