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Título

Effect of hyperbaric storage at room temperature on the volatile profile of strawberry juice

Autor Bermejo-Prada, Ana ; Vega, Estela ; Pérez Mateos, Miriam ; Otero, Laura
Palabras clave High pressure
Strawberry juice
Volatile profile
Food preservation
Hyperbaric storage
Fecha de publicación 2015
EditorAcademic Press
Citación LWT - Food Science and Tecnology 62: 906- 914 (2015)
Resumen© 2014 Elsevier Ltd. The effect of hyperbaric storage at room temperature on the volatile profile of raw strawberry juice was evaluated. To do so, volatile profiles of strawberry juices maintained at 20°C and different pressure levels (0.1, 50, and 200MPa) for 15 days were analyzed by gas chromatography-mass spectroscopy and compared with those of control samples at day 0. Data corresponding to juices stored under traditional refrigeration (0.1MPa/5°C) for the same period are also presented for comparison. Hierarchical Cluster Analysis (HCA) and Partial Least Squares Discriminant Analysis (PLS-DA) were applied to discriminate the samples according to the storage conditions. The results clearly showed that samples stored under pressure were more similar to the control juices at day 0 than samples stored under refrigeration at atmospheric pressure. Moreover, hyperbaric storage, unlike traditional refrigeration, was efficient in avoiding changes in all the key aroma compounds detected in the strawberry juice.
URI http://hdl.handle.net/10261/114904
DOI10.1016/j.lwt.2014.08.020
Identificadoresdoi: 10.1016/j.lwt.2014.08.020
issn: 0023-6438
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