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Título: | Quality parameters in convective dehydrated carrots blanched by ultrasound and conventional treatment |
Autor: | Gamboa-Santos, Juliana CSIC; Soria, Ana C. CSIC ORCID ; Villamiel, Mar CSIC ORCID ; Montilla, Antonia CSIC ORCID | Palabras clave: | Carbohydrates Polyphenols Quality parameters Convective dehydration Ultrasound Blanching Furosine Protein Rehydration ratio Microstructure Carrots |
Fecha de publicación: | 2013 | Editor: | Elsevier | Citación: | Food Chemistry 141(1): 616-624 (2013) | Resumen: | The effect of previous ultrasound and conventional blanching treatments on drying and quality parameters (2-furoylmethyl-amino acids -as indicators of lysine and arginine participation in the Maillard reaction-, carbohydrates, total polyphenols, protein profile, rehydration ratio, microstructure changes) of convective dehydrated carrots has been assessed. The most striking feature was the influence of blanching on the subsequent 2-furoylmethyl-amino acid formation during drying, probably due to changes in the protein structure. The highest values of 2-furoylmethyl-amino acids were found in carrots conventionally blanched with water at 95 °C for 5 min. However, samples previously treated by ultrasound presented intermediate values of 2-furoylmethyl-amino acids and carbohydrates as compared to the conventionally blanched samples. Dried carrots previously subjected to ultrasound blanching preserved their total polyphenol content and showed rehydration properties, which were even better than those of the freeze-dried control sample. The results obtained here underline the usefulness of 2-furoylmethyl-amino acids as indicators of the damage suffered by carrots during their blanching and subsequent drying. | Versión del editor: | https://doi.org/10.1016/j.foodchem.2013.03.028 | URI: | http://hdl.handle.net/10261/100253 | DOI: | 10.1016/j.foodchem.2013.03.028 | Identificadores: | doi: 10.1016/j.foodchem.2013.03.028 issn: 0308-8146 |
Aparece en las colecciones: | (CIAL) Artículos (IQOG) Artículos |
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