Heat treatment during pasteurization of mango (Mangifera indica L.) pulp reduces the phenolic content and its potential health benefits. The bioactive content, phenolics profile, and antioxidant capacity of 'Ataulfo' mango pulp after ohmic heating (OH) treatment (15.0-20.0 V/cm), and conventional heating (CT, 72 °C) were evaluated. No significant differences were observed in the gallic acid and mangiferin content and its antioxidant capacity (ABTS). Mass spectrometry analysis (LC/MS-TOF) showed that all treatments produced the same profile of phenolic compounds, including 6 phenolic acids, 2 gallotannins, 1 benzophenone, 2 xanthones, and 3 flavonoids. PCA analysis confirmed that mangiferin and gallic acid were the main contributors to the ABTS antioxidant capacity. These results demonstrate that OH treatments can preserve the compositions of phenolic compounds mango pulp, thus maintaining its potential health benefits.
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| http://dx.doi.org/10.1016/j.foodres.2022.111032 | DOI Listing |
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