Effect of Microwave and Ultrasound during the Killing Stage of the Curing Process of Vanilla (Vanilla planifolia, Andrews) Pods - Chimie Agro-Industrielle Accéder directement au contenu
Article Dans Une Revue Foods Année : 2023

Effect of Microwave and Ultrasound during the Killing Stage of the Curing Process of Vanilla (Vanilla planifolia, Andrews) Pods

Résumé

The curing process (CP) of Vanilla planifolia pods, which is a long and tedious process, is necessary to obtain the natural vanilla extract. This research evaluated the application of microwave (M) and ultrasound (U) during the “killing” stage of the CP and its effect on vanillin content and β-glucosidase activity. The pods were immersed in a container with water or with moistened samples for the M treatments. In U treatments, the pods were immersed in an ultrasonic bath. After this stage, the samples were subjected to an additional U treatment. The results show that the application of these technologies significantly improves vanillin yield (p < 0.05) and the curing time is reduced to 20 days. U treatments subjected to additional sonication at 38 °C obtain more than double the yield of vanillin regarding control. The effect of M and U on cell structure damage increases with additional sonication, but at 15 min, β-glucosidase inactivation decreases the final yield. Disposition of samples in M also affects the final vanillin content. There is no significant correlation between β-glucosidase and vanillin in the different treatments. The application of M and U with the appropriate parameters reduces the CP time without affecting the compounds of interest.
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Dates et versions

hal-03992215 , version 1 (16-02-2023)
hal-03992215 , version 2 (17-02-2023)

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Paternité

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Oscar Antonio-Gutiérrez, Isidro Pacheco-Reyes, Luicita Lagunez-Rivera, Rodolfo Solano, María del Pilar Cañizares-Macías, et al.. Effect of Microwave and Ultrasound during the Killing Stage of the Curing Process of Vanilla (Vanilla planifolia, Andrews) Pods. Foods, 2023, 12 (3), pp.469. ⟨10.3390/foods12030469⟩. ⟨hal-03992215v2⟩
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