2018
DOI: 10.1590/0100-29452018489
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Extracción optimizada y purificación parcial de invertasa aislada de S. Cerevisiae en puré de durazno

Abstract: Resumen -La extracción fue realizada a través de un proceso de autolisis, donde las enzimas degradan las estructuras celulares y liberan el contenido citoplasmático al medio extracelular. El proceso de autolisis fue realizado en shaker con diferentes velocidades de agitación (50 -350 rpm) y concentraciones de bicarbonato de sodio (50 -350 mM NaHCO 3 ) a 40 °C por 24 horas, usando un diseño experimental compuesto central adaptado para dos variables y cinco niveles, así como una metodología de superficie de r e … Show more

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Cited by 4 publications
(4 citation statements)
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“…All tubes were incubated in a thermos bath at 25 °C for 10 min. The reaction was stopped by boiling in a water bath for 5 min and all tubes were placed in an ice bath for 1 min [ 14 ], the release of reducing sugars was determined by DNS [ 13 ].…”
Section: Methodsmentioning
confidence: 99%
“…All tubes were incubated in a thermos bath at 25 °C for 10 min. The reaction was stopped by boiling in a water bath for 5 min and all tubes were placed in an ice bath for 1 min [ 14 ], the release of reducing sugars was determined by DNS [ 13 ].…”
Section: Methodsmentioning
confidence: 99%
“…Invertase was extracted using the autolysis method as described by Ferreira et al (2018). To 100 g samples of lyophilized yeast, 300 mL 200 mM NaHCO 3 were added and the mixture was placed in stirring in an orbital shaker at 200 rpm and 40 °C for 24 h. The sample was then centrifuged at 2,025 g for 10 min.…”
Section: Invertase Extractionmentioning
confidence: 99%
“…The reaction was carried out at pH 5.0 and 25 °C. After 10 min, the content of RS was determined by 3,5-DNS using glucose as standard (Ferreira et al, 2018). One enzyme activity unit was defined as the amount of enzyme that leads to the increase by 1 µg RS as glucose.min -1 .…”
Section: Invertase Activitymentioning
confidence: 99%
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