
handle: 10201/1637
La enzima polifenol oxidasa ha sido purificada a partir de uva Monastrell mostrando actividad tanto en la oxidación de monofenoles (cresolasa) como en la de o-difenoles (catecolasa). Los parámetros cinéticos, Km y temperatura óptima, han sido evaluados en ambas actividades. La actividad cresolasa presenta un período de retardo característico, que puede ser modificado por la temperatura, la concentración de enzima, la presencia de o-difenoles y la concentración de sustrato.
Monastrell grape polyphenol oxidase was purified, showing both activity towards monophenols and o-diphenols. The kinetic parameters, Km and optimal temperature, were evaluated in both activities. Cresolase activity presents a particular lag period, which may be modified by the temperature, enzyme concentration, the presence of o-diphenols and substrate concentration.
Fenoles, Kinetic, Cinética, Uva, Polyphenol oxidase, Phenols, :5 - Ciencias puras y naturales::57 - Biología::573 - Biología general y teórica [CDU], Grape, Polifenol oxidasa, CDU::5 - Ciencias puras y naturales::57 - Biología::573 - Biología general y teórica
Fenoles, Kinetic, Cinética, Uva, Polyphenol oxidase, Phenols, :5 - Ciencias puras y naturales::57 - Biología::573 - Biología general y teórica [CDU], Grape, Polifenol oxidasa, CDU::5 - Ciencias puras y naturales::57 - Biología::573 - Biología general y teórica
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