Modelos de predicción de tiempo de enfriamiento y congelados de alimentos
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Universidad Nacional de la Amazonía Peruana
Abstract
Cuando las funciones vitales de animales o vegetales se interrumpen, se inicia
una serie de transformaciones que adquieren características de fenómenos
putrefactivos tales procesos se suceden rápidamente a temperatura ambiente,
con la consiguiente inutilización del producto ya que los tejidos vivos presentan
mayor resistencia a las acciones desagregadoras, principalmente porque son
dotados de la facultad de regeneración.
Las alteraciones observadas en géneros perecibles dependen de diversos
factores, pero poseen orígenes perfectamente distintos tales como
• Alteraciones de origen físico, producidas por agente como la luz, el calor,
la humedad y las acciones mecánicas.
• Alteraciones de origen químico, producidas por agentes como el
oxígeno, gas carbónico y contaminantes anómalos
• Alteraciones de origen biológico, producidas por agentes como enzimas,
microorganismo, insectos y otros parásitos.
Se basan en la disminución de la temperatura de los alimentos. La industria de
conservación por el frio tiene una amplia variedad de medidas o parámetros
que es estable según el tipo de alimento a conservar.
When the vital functions of animals or plants are interrupted, a series of transformations are initiated that acquire characteristics of rotten phenomena such processes follow one another quickly at room temperature, with the consequent uselessness of the product since the living tissues present greater resistance to the disaggregating actions, mainly because they are endowed with the faculty of regeneration. The alterations observed in perishable genera depend on various factors, but they have perfectly different origins such as: • Alterations of physical origin, produced by agents such as light, heat, humidity and mechanical actions. • Alterations of chemical origin, produced by agents such as oxygen, carbon dioxide and anomalous pollutants. • Alterations of biological origin, produced by agents such as enzymes, microorganisms, insects and other parasites. They are based on the decrease in food temperature. The cold conservation industry has a wide variety of measures or parameters that is stable according to the type of food to be preserved.
When the vital functions of animals or plants are interrupted, a series of transformations are initiated that acquire characteristics of rotten phenomena such processes follow one another quickly at room temperature, with the consequent uselessness of the product since the living tissues present greater resistance to the disaggregating actions, mainly because they are endowed with the faculty of regeneration. The alterations observed in perishable genera depend on various factors, but they have perfectly different origins such as: • Alterations of physical origin, produced by agents such as light, heat, humidity and mechanical actions. • Alterations of chemical origin, produced by agents such as oxygen, carbon dioxide and anomalous pollutants. • Alterations of biological origin, produced by agents such as enzymes, microorganisms, insects and other parasites. They are based on the decrease in food temperature. The cold conservation industry has a wide variety of measures or parameters that is stable according to the type of food to be preserved.
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Alimentos congelados, Conservación de alimentos, Enfriamiento, Control de temperatura
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