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Título: | Bioaccessibility of antioxidants in prickly pear fruits treated with high hydrostatic pressure: an application for healthier foods |
Autor: | Gómez-Maqueo, Andrea; Steurer, Dora; Welti-Chanes, Jorge; Cano, M. Pilar CSIC ORCID | Palabras clave: | Opuntia ficus-indica Phenolic compounds High hydrostatic pressure Betalains Bioaccessibility Digestive stability |
Fecha de publicación: | 2021 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Molecules 26(17): 5252 (2021) | Resumen: | High hydrostatic pressure (HHP) is a commercial processing technology which can enhance the health potential of foods by improving the bioaccessibility of their bioactive compounds. Our aim was to study the bioaccessibility and digestive stability of phenolic compounds and betalains in prickly pear fruits (Opuntia ficus-indica L. Mill. var. Pelota and Sanguinos) treated with HHP (100, 350, and 600 MPa; come-up time and 5 min). The effects of HHP on pulps (edible fraction) and peels (sources of potential healthy ingredients) were assessed. In pulps, betanin bioaccessibility increased (+47% to +64%) when treated at 350 MPa/5 min. In HHP-treated pulps, increases in the bioaccessibility of piscidic acid (+67% to +176%) and 4-hydroxybenzoic acid glycoside (+126% to 136%) were also observed. Isorhamnetin glycosides in peels treated at 600 MPa/CUT had higher bioaccessibility (+17% to +126%) than their controls. The effects of HHP on the bioaccessibility of health-promoting compounds are not exclusively governed by extractability increases of antioxidants in the food matrix (direct effects). In this work we found evidence that indirect effects (effects on the food matrix) could also play a role in the increased bioaccessibility of antioxidants in fruits treated with HHP. | Descripción: | This article belongs to the Special Issue Advances in High Pressure Processing on Foods. | Versión del editor: | https://doi.org/10.3390/molecules26175252 | URI: | http://hdl.handle.net/10261/262700 | DOI: | 10.3390/molecules26175252 | E-ISSN: | 1420-3049 |
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