Hosseinzadeh Samani, B., Khoshtaghaza, M. H., Minaee, S., Abbasi, S. (2015). Modeling the Simultaneous Effects of Microwave and Ultrasound Treatments on Sour Cherry Juice Using Response Surface Methodology. , 17(4), 837-846.
B. Hosseinzadeh Samani; M. H. Khoshtaghaza; S. Minaee; S. Abbasi. "Modeling the Simultaneous Effects of Microwave and Ultrasound Treatments on Sour Cherry Juice Using Response Surface Methodology". , 17, 4, 2015, 837-846.
Hosseinzadeh Samani, B., Khoshtaghaza, M. H., Minaee, S., Abbasi, S. (2015). 'Modeling the Simultaneous Effects of Microwave and Ultrasound Treatments on Sour Cherry Juice Using Response Surface Methodology', , 17(4), pp. 837-846.
Hosseinzadeh Samani, B., Khoshtaghaza, M. H., Minaee, S., Abbasi, S. Modeling the Simultaneous Effects of Microwave and Ultrasound Treatments on Sour Cherry Juice Using Response Surface Methodology. , 2015; 17(4): 837-846.

Modeling the Simultaneous Effects of Microwave and Ultrasound Treatments on Sour Cherry Juice Using Response Surface Methodology

Journal of Agricultural Science and Technology
Article 5, Volume 17, Issue 4, 2015, Pages 837-846    PDF (660.73 K)
Authors
B. Hosseinzadeh Samani1; M. H. Khoshtaghaza* 1; S. Minaee1; S. Abbasi2
1Biosystems Engineering Department, Tarbiat Modares University, P. O. Box: 14115-139, Tehran, Islamic Republic of Iran.
2Department of Food Science and Technology, Tarbiat Modares University, P. O. Box: 14115-139, Tehran, Islamic Republic of Iran.
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: 352.21W microwave output power, 49.94˚C temperature, 475.13W ultrasound power and 6 minutes of exposure time. On the basis of response surface methodology (RSM) modelling, the maximum vitamin C content was 142.5 mg per 100 mL with no remaining E. coli.
Keywords
cavitation; Microwave output power; Pasteurization; Ultrasound power
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