A multi-analytical platform based on pressurized-liquid extraction, in vitro assays and liquid chromatography/gas chromatography coupled to high resolution mass spectrometry for food by-products valorisation. Part 1: Withanolides-rich fractions from goldenberry (Physalis peruviana L.) calyces obtained after extraction optimization as case study

1. Ballesteros-Vivas, D.
2. Álvarez-Rivera, G.
3. del Pilar Sánchez-Camargo, A.
4. Ibáñez, E.
5. Parada-Alfonso, F.
6. Cifuentes, A.