Aplicación de diferentes técnicas de Secado en frutas de Diospyros kaki var. ‘Fuyu’

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Ariel A. Borsini
Oscar A. Albani
Laura A. Ramallo

Resumen

El objetivo fue evaluar el efecto de las condiciones de deshidratación sobre la pérdida de agua  y los cambios de color en Dyospiros kaki var ‘Fuyu’. Las condiciones fueron: i) Secado con aire a velocidad (1,1 m/s)  y temperatura (45, 60 y 75 ºC) constantes (SAC), ii) Secado intermitente con ciclos  de flujo de aire/reposo de 45/45 minutos (SAC INT), a las mismas temperaturas, iii) Deshidratación osmótica en solución de sacarosa a 50 y 60 ºBrix y secado con aire a 60 ºC (DO+SAC). El modelo de Page  fue utilizado para  describir la pérdida de agua. Los valores de n para  SAC a 45 y 60 ºC, SAC INT y DO+SAC no presentaron diferencias significativas (p>0,05). Los valores de k aumentaron con la temperatura en SAC y SAC INT. Los parámetros L* y b* disminuyeron durante el secado. El ∆E  no fue afectado por el SAC INT.

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Borsini, A. A., Albani, O. . A., & Ramallo, L. A. (2016). Aplicación de diferentes técnicas de Secado en frutas de Diospyros kaki var. ‘Fuyu’. Revista De Ciencia Y Tecnología, 26(Supl. 1), 65–70. Recuperado a partir de https://www.fceqyn.unam.edu.ar/recyt/index.php/recyt/article/view/749
Sección
Ingeniería, Tecnología e Informática

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