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Título: | Differences in colour gamut obtained with three synthetic red food colourants compared with three natural ones: pH and heat stability |
Autor: | Arocas, Amparo CSIC; Varela, Paula CSIC; González-Miret, M. L.; Salvador, Ana CSIC ORCID; Heredia, F. J.; Fiszman, Susana CSIC ORCID | Fecha de publicación: | 2013 | Editor: | Marcel Dekker Taylor & Francis |
Citación: | International Journal of Food Properties 16: 766-777 (2013) | Resumen: | The current trend in European markets towards natural ingredients has stimulated the interest in natural colourants. When it is decided to replace a colourant, normally a synthetic colourant with a natural one, it is interesting to know how the colour would be perceived, by locating their coordinates in the a*b*-diagram. The colours of three red natural colourants and three red synthetic ones have been compared. The natural colourants would be visually perceived as less intense than the synthetic colourants; this perception could be a signal of high quality as recognised and accepted by consumers. The hue (hab) of the natural colourants was red-bluish while the synthetic ones showed a red-orange character and they were located in a wider area of hue, having values apart from the rest, thus they could not be replaceable. The synthetic colourants showed less colour differences than the natural ones when subjected to pH variations and heat treatments. | Versión del editor: | http://dx.doi.org/10.1080/10942912.2011.565537 | URI: | http://hdl.handle.net/10261/333241 | DOI: | 10.1080/10942912.2011.565537 | Identificadores: | doi: 10.1080/10942912.2011.565537 issn: 1094-2912 e-issn: 1532-2386 |
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