Inactivation of Polyphenoloxidase of Pear by Pulsed Electric Fields
2010 ◽
Vol 6
(3)
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Keyword(s):
Pulsed electric fields (PEF) were utilized for inhibition of polyphenoloxidase (PPO) of pear. The effects of PEF electric field strength, treatment time and the temperature on the reduction of PPO activity were evaluated in this study. A maximum of 95.5% inactivation of pear PPO was observed with the PEF treatment at 35 kV/cm for 1200 ?s at 40°C. The classical first-order inactivation as well as modified Hülshegers kinetic model adequately described the enzymatic inhibition in PEF processing. The second-order polynomial equation was a suitable model to analyze the inactivation of PPO using PEF technology since the PEF parameters such as PEF electric field strength, treatment time and temperature could be involved in this model.
2007 ◽
Vol 13
(2)
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pp. 83-90
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2012 ◽
Vol 8
(1)
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2020 ◽
Vol 59
◽
pp. 102243
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2018 ◽
Vol 9
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pp. 1544-1549
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Keyword(s):
2004 ◽
Vol 67
(11)
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pp. 2596-2602
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Keyword(s):
2009 ◽
Vol 60-61
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pp. 330-333
1989 ◽
Vol 27
(5)
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pp. 1089-1106
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