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Impact of pulsed electric field on cell disintegration and mass transfer in sugar beet

Paper ID Volume ID Publish Year Pages File Format Full-Text
19051 43043 2012 8 PDF Available
Title
Impact of pulsed electric field on cell disintegration and mass transfer in sugar beet
Abstract

This study investigated the effects of pulsed electric field (PEF) treatments on sugar beet tissues. A PEF system was used to vary field strength, pulse number and capacitance in respective range of 0.5–6 kV cm−1; 1–100 pulses; 0.5–32 μF. It was observed that tissue damage in sugar beet was most influenced by total energy input and electric field strength. Furthermore, the energy consumption for cell disintegration by PEF treatment was significantly lower compared to thermal treatment indicating average values of about 8 kJ kg−1 and 156 kJ kg−1 respectively. The transfer of solids at room temperature from PEF pretreated sugar beet (1 or 2 kV cm−1, 8 μF, and 20 pulses) was higher than the untreated and thermal treated samples at 75 °C. The overall results showed that the optimization of PEF treatment conditions is very important to achieve high cell disintegration and sugar beet yield.

Keywords
Nonthermal; Pulse electric fields; Sugar beet; Cell disintegration
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 90, Issue 3, July 2012, Pages 377–384
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
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100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us