Modeling the Simultaneous Effects of Microwave and Ultrasound Treatments on Sour Cherry Juice Using Response Surface Methodology
Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JASTMO-17-4_005
تاریخ نمایه سازی: 1 آذر 1402
Abstract:
This study aimed to examine the effectiveness of combined microwave-ultrasonic pasteurization system on Escherichia coli and vitamin C content in sour cherry juice (SCJ). Based on the findings, microwave output power, ultrasound power, and ultrasonic exposure time as well as the microwave-induced temperature were the most effective factors in reducing E. coli and vitamin C content. In addition, the microwave-induced temperature and ultrasonic exposure time, as independent variables, were both effective on E. coli removal. At higher temperatures, the effectiveness of ultrasonic waves as well as cavitation intensity declined. However, their combined effect (ultrasound and temperature) was more significant than their individual effect. It was also found that any increase in ultrasound power, ultrasonic exposure time, and microwave output power led to a significant reduction in vitamin C content, while the ultrasound power was the most effective. On the basis of RSM modeling, the optimum processing condition was: ۳۵۲.۲۱W microwave output power, ۴۹.۹۴˚C temperature, ۴۷۵.۱۳W ultrasound power and ۶ minutes of exposure time. On the basis of response surface methodology (RSM) modelling, the maximum vitamin C content was ۱۴۲.۵ mg per ۱۰۰ mL with no remaining E. coli.
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Authors
B. Hosseinzadeh Samani
Biosystems Engineering Department, Tarbiat Modares University, P. O. Box: ۱۴۱۱۵-۱۳۹, Tehran, Islamic Republic of Iran.
M. H. Khoshtaghaza
Biosystems Engineering Department, Tarbiat Modares University, P. O. Box: ۱۴۱۱۵-۱۳۹, Tehran, Islamic Republic of Iran.
S. Minaee
Biosystems Engineering Department, Tarbiat Modares University, P. O. Box: ۱۴۱۱۵-۱۳۹, Tehran, Islamic Republic of Iran.
S. Abbasi
Department of Food Science and Technology, Tarbiat Modares University, P. O. Box: ۱۴۱۱۵-۱۳۹, Tehran, Islamic Republic of Iran.
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