2014
DOI: 10.18779/cyt.v7i1.135
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Distribución, Localización E Inhibidores De Las Polifenol Oxidasas en Frutos Y Vegetales Usados Como Alimento

Abstract: Las polifenol oxidasas (PPOs) son enzimas ubicuas que catalizan la reacción dependiente de oxígeno que transforma o-difenoles en o-quinonas. Estas quinonas son reactivas y capaces de modificar covalentemente un amplio abanico de especies nucleófilas, del interior de las células, que conduce a la formación de polímeros marrones, conocido como pardeamiento enzimático. El fenómeno de pardeamiento durante el crecimiento, recogida, almacenamiento y procesado de frutos y vegetales, es un problema de primera … Show more

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Cited by 3 publications
(1 citation statement)
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“…It was previously reported that the higher the polyphenol content is, the higher the enzymatic oxidation catalyzed by PPO can be. 28,36,37 As has been shown before by van der Sluis et al, 38 epicatechin and chlorogenic acid are the main compounds that present a decrease in total concentration due to the action of PPO (up to 28 and 25%, respectively). However, a positive effect was noted regarding total quercetin glycosides (a 17% increase).…”
Section: Solvent Selectionmentioning
confidence: 59%
“…It was previously reported that the higher the polyphenol content is, the higher the enzymatic oxidation catalyzed by PPO can be. 28,36,37 As has been shown before by van der Sluis et al, 38 epicatechin and chlorogenic acid are the main compounds that present a decrease in total concentration due to the action of PPO (up to 28 and 25%, respectively). However, a positive effect was noted regarding total quercetin glycosides (a 17% increase).…”
Section: Solvent Selectionmentioning
confidence: 59%