2026-07-09T22:12:45Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/53282022-04-07T10:56:32Zcom_10259_4244com_10259_5086com_10259_2604col_10259_4245
Repositorio Institucional de la Universidad de Burgos
author
Illera Gigante, Alba Ester
author
Chaple, S.
author
Sanz Díez, Mª Teresa
author
Ng, S.
author
Lu, P.
author
Jones, J.
author
Carey, E.
author
Bourke, P.
2020-06-05T12:05:03Z
2020-06-05T12:05:03Z
2019-09
2590-1575
http://hdl.handle.net/10259/5328
10.1016/j.fochx.2019.100049
Direct cold plasma treatment has been investigated as an alternative non-thermal technology as a means of maintaining and improving quality of fresh cloudy apple juice. Process variables studied included type of plasma discharge, input voltage and treatment time on polyphenol oxidase (PPO) inactivation. Spark discharge plasma at 10.5 kV for 5 min was the best treatment, with near total inactivation of PPO achieved, although good PPO inactivation was also recorded using shorter treatment times. Residual activity (RA) of PPO was 16 and 27.6% after 5 and 4 min of treatment respectively. This PPO inactivation was maintained throughout the storage trials, but decreased with samples treated for a shorter time. Plasma treatment improved key quality parameters of Golden delicious cloudy apple juice, with retention of critical quality parameters during extended storage trials. Color was the most noticeable change, which was enhanced with retention of a greener color. An increase of 69 and 64% was obtained in the total phenolic content after 4 and 5 min of treatment, respectively. Therefore, cold plasma was demonstrated to be a good alternative to traditional heat treatments for enhanced quality retention of fresh cloudy apple juice and over its storage.
eng
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Cloudy apple juice
Spark discharge
PPO inactivation
Quality parameters
Shelf life study
Effect of cold plasma on polyphenol oxidase inactivation in cloudy apple juice and on the quality parameters of the juice during storage
info:eu-repo/semantics/article
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Illera-fcx_2019.pdf.txt