Results 141 to 150 of about 3,053 (162)

Polyphenoloxidase inactivation by light exposure in model systems and apple derivatives

open access: yesInnovative Food Science and Emerging Technologies, 2009
The effect of UV-C and visible light on the enzyme polyphenoloxidase was studied in model systems and food. Enzyme inactivation under non thermal conditions was achieved following both UV-C and visible light exposure.
Lara Manzocco
exaly   +2 more sources

Inactivation of Polyphenoloxidase by Pulsed Light

open access: yesJournal of Food Science, 2013
The effect of pulsed light on the inactivation of polyphenoloxidase (PPO) in model solutions was investigated focusing on the effect of enzyme concentration and total energy dose of the treatment. PPO inactivation increased with the dose of the treatment.
Maria Cristina Nicoli   +2 more
exaly   +2 more sources

Polyphenoloxidase from Amasya Apple

open access: yesJournal of Food Science, 1995
Polyphenoloxidase (PPO) of Amasya apple was partially purified by (NH4)(2)SO4 precipitation and dialysis. The sample was used for characterization of the PPO. Optimum pH were 7.0, 9.0, 8.6 and 6.6 on substrates catechol, I-methyl catechol, pyrogallol and
Ismail Kocaçalişkan
exaly   +2 more sources

Polyphenoloxidase from guava (Psidium guajava L.)

open access: yesJournal of the Science of Food and Agriculture, 1985
Polyphenoloxidase (PPO) was isolated from guava (Psidium guajava L., cv. Kampuchea). Purification by acetone precipitation and dialysis of the Amicon concentrate resulted in 4.9‐fold and 17.2‐fold purification of the dialysed crude extract respectively ...
Hasanah M. Ghazali
exaly   +2 more sources

Characterization of polyphenoloxidase (PPO) extracted from ‘Jonagored’ apple [PDF]

open access: yesFood Control, 2001
Polyphenoloxidase (PPO) was extracted from apple (cv. Jonagored) with addition of 2% PVP and 0.25% Triton X100 to the extraction buffer containing phenolic adsorbents.
Morais, AMMB, Rocha, Ada
exaly   +3 more sources
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Characterization of polyphenoloxidase of prawns (). Alternatives to inhibition

Food Chemistry, 2001
María Pilar Montero García   +1 more
exaly  

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