1999
DOI: 10.1016/s0308-8146(99)00109-0
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Inactivation of papain by pulsed electric fields in a continuous system

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Cited by 111 publications
(57 citation statements)
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“…pH stability of enzymes is an important factor to ensure the success of this procedure, since the immobilization on glyoxyl support is typically performed at high pH, where the reactivity of the terminal amino groups and ε-amino groups of the lysine residues of protein surface may be signifi cant and multipoint interactions can be (MATEO et al, 2006). As previously mentioned, papain is particularly interesting for this immobilization procedure, since it presents a single peptide chain of 211 amino acid residues out of which 11 are lysine residues, but none of these residues is in its active site (YEOM et al, 1999;ROY et al, 2005). After the reduction of derivatives with sodium borohydride, their recovery activities were determined (Table 1).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…pH stability of enzymes is an important factor to ensure the success of this procedure, since the immobilization on glyoxyl support is typically performed at high pH, where the reactivity of the terminal amino groups and ε-amino groups of the lysine residues of protein surface may be signifi cant and multipoint interactions can be (MATEO et al, 2006). As previously mentioned, papain is particularly interesting for this immobilization procedure, since it presents a single peptide chain of 211 amino acid residues out of which 11 are lysine residues, but none of these residues is in its active site (YEOM et al, 1999;ROY et al, 2005). After the reduction of derivatives with sodium borohydride, their recovery activities were determined (Table 1).…”
Section: Resultsmentioning
confidence: 99%
“…Papain, a member of the cysteine protease family, is an endopeptidase extracted from the latex of Carica papaya, which is widely studied for food process applications. Papain is a relatively heat stable and simple protein, presenting a single and small chain (YEOM et al, 1999), which makes it interesting for immobilization purposes. The aim of this work was to test hydrolytic response of casein and β-lactoglobulin using papain immobilized onto glyoxyl-agarose, considering trypsin pre-digestion.…”
mentioning
confidence: 99%
“…En efecto, existen diversos estudios en los que se evalúo la inactivación de enzimas con CEPAI, como es el caso de la inactivación de polifenoloxidasas de diversos productos vegetales (González et al, 1999;Zhong et al, 2005;Mayer, 2006, Castorena-García et al, 2013, papaína, (Yeom et al, 1999), lipoxigenasas de jitomate (Min et al, 2003), proteasas microbianas (Bendicho et al, 2005) y pectinmetilesterasa en jugo de uchuvas (Pinchao, Osorio y Mejía, 2014). En la aplicación de CEPAI, se utilizaron cámaras estáticas de flujo continuo, generalmente manipuladas en laboratorios de investigación, cámaras continuas con flujo no laminar para conseguir tratamientos homogéneos y que suelen ser usadas en plantas pilotos y a nivel industrial, y cámaras de campo eléctrico convergente, que constan de electrodos de discos separados por placas de teflón (Herrero y Romero, 2006).…”
Section: Tecnologías No Térmicas Para La Conservación De Productos Veunclassified
“…La aplicación de campos eléctricos pulsantes genera estrés y desestabiliza la membrana celular (Zimmermann, 1986;Jin et al, 1998), y en algunos casos el daño en la membrana celular es irreversible (Calderón-Miranda et al, 1999). Esta lesión altera los procesos de transporte de iones (Kim et al, 2001) Ho et al, 1997;Yeom et al, 1999;Giner et al, 2000;Castro et al, 2001;Palomeque et al, 2001;Van Loey et al, 2002 (Murata et al, 1995;Coetzer et al, 2001) o la selección de variedades pobres en substratos fenólicos. La aplicación de la tecnología denominada en inglés antisense, (en la cual se produce un ARN mensajero de secuencia complementaria al del ARN mensajero, que al ser traducido da lugar a la proteína cuya formación se pretende evitar) para bloquear la expresión normal de ambas enzimas, peroxidasa y polifenol oxidasa se ha publicado para la obtención de variedades con menor susceptibilidad al pardeamiento.…”
Section: Pulsos Eléctricosunclassified