Optimization of ohmicsonication for overall quality characteristics of NFC apple juice

Tarek Abedelmaksoud*, Sobhy Mohamed Mohsen, Lene Duedahl-Olesen, Mohamed Mohamed Elnikeety, Aberham Hailu Feyissa

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

In this work, the feasibility of using ohmicsonication (OS) as a new hurdle technology for pasteurization of not-from-concentrate (NFC) apple juice was proposed. Optimization of OS conditions (ohmic heating [OH] temperature and sonication time) was done by response surface methodology with polyphenoloxidase (PPO) activity as endpoint evaluation of the NFC apple juice. The effect of OS as well as sonication (S), thermosonication, OH as an alternative to traditional technologies on inactivation of PPO and some quality parameters were studied. The obtained results showed that the highest inactivation of PPO was by OS treatment (98%). The highest bioactive profiles (ascorbic acid, total carotenoids, and total phenolic contents) and color values were obtained with the S and OS compared to other treatments. In addition, the lowest hydroxymethylfurfural and cloud values were with OS. Finally, OS could be applied as an alternative thermal process to produce NFC apple juice. Practical applications: The results of this study showed that the lab scale ohmicsonication (OS) succeeded as an alternative thermal process to produce NFC apple juice. OS process showed less degradation of the bioactive profile and improved inactivation of polyphenoloxidase in comparision to other treatments. Ohmic heating (OH) is already used in many factories. Therefore, we proposed to include an ultrasound probe instead of the existing blenders in the mixing tank before OH line. This would improve the mixing process as well as getting the ultrasound benefits.

Original languageEnglish
Article numbere14087
JournalJournal of Food Processing and Preservation
Volume43
Issue number9
Number of pages10
ISSN0145-8892
DOIs
Publication statusPublished - 2019

Cite this

@article{55c881a14e384b9c812de83acbb503c1,
title = "Optimization of ohmicsonication for overall quality characteristics of NFC apple juice",
abstract = "In this work, the feasibility of using ohmicsonication (OS) as a new hurdle technology for pasteurization of not-from-concentrate (NFC) apple juice was proposed. Optimization of OS conditions (ohmic heating [OH] temperature and sonication time) was done by response surface methodology with polyphenoloxidase (PPO) activity as endpoint evaluation of the NFC apple juice. The effect of OS as well as sonication (S), thermosonication, OH as an alternative to traditional technologies on inactivation of PPO and some quality parameters were studied. The obtained results showed that the highest inactivation of PPO was by OS treatment (98{\%}). The highest bioactive profiles (ascorbic acid, total carotenoids, and total phenolic contents) and color values were obtained with the S and OS compared to other treatments. In addition, the lowest hydroxymethylfurfural and cloud values were with OS. Finally, OS could be applied as an alternative thermal process to produce NFC apple juice. Practical applications: The results of this study showed that the lab scale ohmicsonication (OS) succeeded as an alternative thermal process to produce NFC apple juice. OS process showed less degradation of the bioactive profile and improved inactivation of polyphenoloxidase in comparision to other treatments. Ohmic heating (OH) is already used in many factories. Therefore, we proposed to include an ultrasound probe instead of the existing blenders in the mixing tank before OH line. This would improve the mixing process as well as getting the ultrasound benefits.",
author = "Tarek Abedelmaksoud and Mohsen, {Sobhy Mohamed} and Lene Duedahl-Olesen and Elnikeety, {Mohamed Mohamed} and Feyissa, {Aberham Hailu}",
year = "2019",
doi = "10.1111/jfpp.14087",
language = "English",
volume = "43",
journal = "Journal of Food Processing and Preservation",
issn = "0145-8892",
publisher = "Wiley-Blackwell",
number = "9",

}

Optimization of ohmicsonication for overall quality characteristics of NFC apple juice. / Abedelmaksoud, Tarek ; Mohsen, Sobhy Mohamed; Duedahl-Olesen, Lene; Elnikeety, Mohamed Mohamed; Feyissa, Aberham Hailu.

In: Journal of Food Processing and Preservation, Vol. 43, No. 9, e14087, 2019.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Optimization of ohmicsonication for overall quality characteristics of NFC apple juice

AU - Abedelmaksoud, Tarek

AU - Mohsen, Sobhy Mohamed

AU - Duedahl-Olesen, Lene

AU - Elnikeety, Mohamed Mohamed

AU - Feyissa, Aberham Hailu

PY - 2019

Y1 - 2019

N2 - In this work, the feasibility of using ohmicsonication (OS) as a new hurdle technology for pasteurization of not-from-concentrate (NFC) apple juice was proposed. Optimization of OS conditions (ohmic heating [OH] temperature and sonication time) was done by response surface methodology with polyphenoloxidase (PPO) activity as endpoint evaluation of the NFC apple juice. The effect of OS as well as sonication (S), thermosonication, OH as an alternative to traditional technologies on inactivation of PPO and some quality parameters were studied. The obtained results showed that the highest inactivation of PPO was by OS treatment (98%). The highest bioactive profiles (ascorbic acid, total carotenoids, and total phenolic contents) and color values were obtained with the S and OS compared to other treatments. In addition, the lowest hydroxymethylfurfural and cloud values were with OS. Finally, OS could be applied as an alternative thermal process to produce NFC apple juice. Practical applications: The results of this study showed that the lab scale ohmicsonication (OS) succeeded as an alternative thermal process to produce NFC apple juice. OS process showed less degradation of the bioactive profile and improved inactivation of polyphenoloxidase in comparision to other treatments. Ohmic heating (OH) is already used in many factories. Therefore, we proposed to include an ultrasound probe instead of the existing blenders in the mixing tank before OH line. This would improve the mixing process as well as getting the ultrasound benefits.

AB - In this work, the feasibility of using ohmicsonication (OS) as a new hurdle technology for pasteurization of not-from-concentrate (NFC) apple juice was proposed. Optimization of OS conditions (ohmic heating [OH] temperature and sonication time) was done by response surface methodology with polyphenoloxidase (PPO) activity as endpoint evaluation of the NFC apple juice. The effect of OS as well as sonication (S), thermosonication, OH as an alternative to traditional technologies on inactivation of PPO and some quality parameters were studied. The obtained results showed that the highest inactivation of PPO was by OS treatment (98%). The highest bioactive profiles (ascorbic acid, total carotenoids, and total phenolic contents) and color values were obtained with the S and OS compared to other treatments. In addition, the lowest hydroxymethylfurfural and cloud values were with OS. Finally, OS could be applied as an alternative thermal process to produce NFC apple juice. Practical applications: The results of this study showed that the lab scale ohmicsonication (OS) succeeded as an alternative thermal process to produce NFC apple juice. OS process showed less degradation of the bioactive profile and improved inactivation of polyphenoloxidase in comparision to other treatments. Ohmic heating (OH) is already used in many factories. Therefore, we proposed to include an ultrasound probe instead of the existing blenders in the mixing tank before OH line. This would improve the mixing process as well as getting the ultrasound benefits.

U2 - 10.1111/jfpp.14087

DO - 10.1111/jfpp.14087

M3 - Journal article

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JO - Journal of Food Processing and Preservation

JF - Journal of Food Processing and Preservation

SN - 0145-8892

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