Czech J. Food Sci., 2014, 32(5):413-421 | DOI: 10.17221/320/2013-CJFS

Different peach cultivars and their suitability for minimal processingOriginal Paper

Maria Del Carmen Fuentes-Pérez1, Sergio Nogales-Delgado1, Maria Concepción Ayuso2, Diego Bohoyo-Gil1
1 Agrifood Technology Institute (INTAEX), Badajoz, Spain
2 Agraricultural Engineering School, University of Extremadura, Badajoz, Spain

Consumption of minimally processed fruits has been increased lately mainly due to their fresh-like quality characteristics. One of the major alterations that limit the shelf-life of these products is browning caused by polyphenol oxidase (PPO) activity on phenolic compounds. Six yellow-flesh peach cultivars, Spring Lady, Royal Glory, Ruby Rich, Summer Rich, Ryan Sun, and O'Henry, were selected. Peaches were hygienised and then samples were processed in a clean room. Slices were washed in cold tap water, dried, packaged in modified atmosphere, and stored at 4°C during 9 days; physicochemical and other quality parameters were studied. Principal Component Analysis (PCA) and correlation study were carried out in order to evaluate the relation between variables and cultivars. In conclusion, Spring Lady, Royal Glory, and Ruby Rich cultivars were the cultivars that offered the most suitable fruits for fresh-cut processing, mainly due to their low BP and PPO activity.

Keywords: fresh cut fruit; visual quality; enzymatic browning; phenolic content; polyphenol oxidase

Published: October 31, 2014  Show citation

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Fuentes-Pérez MDC, Nogales-Delgado S, Ayuso MC, Bohoyo-Gil D. Different peach cultivars and their suitability for minimal processing. Czech J. Food Sci. 2014;32(5):413-421. doi: 10.17221/320/2013-CJFS.
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