Combination of sonication with anti-browning treatments as a strategy to increase the shelf life of fresh-cut potatoe (cv. Monalisa)
Visualitza/Obre
Autor/a
Nicolau-Lapeña, Iolanda
Bobo, Gloria
Viñas, Inmaculada
Aguiló-Aguayo, Ingrid
Data de publicació
2021-04-12ISSN
0145-8892
Resum
Two antioxidant solutions, a patented mixture based on vitamin C and other compounds (Natureseal ®, MV) and green tea extract (GT), were proposed to prevent browning in sliced potatoes. Combination with ultrasound (US) at two frequencies (35 and 130 kHz) was also evaluated, but no significant enhancement of the effects was detected with US. In MV-treated samples, respiration rate and dry matter (19.7 %) were higher than they were in the control (CK) (17.3 %) or GT-treated samples (16.8 %). Neither membrane integrity nor malondialdehyde content were significantly affected by the addition of MV or GT, but in MV-samples the antioxidant activity was increased 6-fold at the beginning of the storage (39.1 mmol ascorbic acid equivalents/kg), but decreased after 9 days. A yellowish coloration on the surface of GT samples was observed (L*a*b* values being 68.3, -6.4, and 25.3, respectively), attributed to the coloration of the tea concentrate. In the conditions studied, GT was not able to delay browning in potato slices. Contrarily, MV solution preserved the original colour of the sliced potatoes (69.6, -6.7, 27.7 for L*a*b*, respectively) during the 9-day storage at 4 ºC.
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
English
Matèries (CDU)
633 - Cultius i produccions
Pàgines
32
Publicat per
Wiley
Publicat a
Journal of Food Processing and Preservation
Citació
Nicolau‐Lapeña, Iolanda, Gloria Bobo, Maribel Abadias, Inmaculada Viñas, and Ingrid Aguiló‐Aguayo. 2021. "Combination Of Sonication With Anti‐Browning Treatments As A Strategy To Increase The Shelf Life Of Fresh‐Cut Potatoe (Cv. Monalisa)". Journal Of Food Processing And Preservation. doi:10.1111/jfpp.15552.
Número de l'acord de la subvenció
MINECO/Programa Estatal de promoción del talento y su empleabilidad en I+D+I/RYC-2016-19949/ES/ /
Programa
Postcollita
Aquest element apareix en la col·lecció o col·leccions següent(s)
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