Rodajas de peras fortificadas con calcio y zinc para la elaboración de un tentempié
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2021-10-01
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El objetivo de este trabajo fue obtener peras de la variedad Packham’s Triumph secadas por microondas
en simultáneo con convección con aire caliente (secado combinado), previo pretratamiento por impregnación con calcio y zinc para mejorar su valor nutricional, su textura y alcanzar una adecuada humedad
que permitiese extender su vida útil. De esta forma se obtiene un tentempié (“snack”) práctico para su
consumo y almacenamiento, puesto que no requiere ser rehidratado ni refrigerado y posee una vida útil
extendida mediante procesos que preservan los nutrientes del vegetal, casi no modifican sus características
organolépticas y no contiene conservantes sintéticos.
The aim of this thesis is to obtain pears (var. Packham ́s Triumph) dried by a combined method (microwave and hot air convection), pretreated by osmotic dehydration/impregnation process with calcium and zinc. The main purpose is to improve the nutritional value, the characteristic texture and reach an adequate humidity which allows a stable shelf product. In this way, a practical “snack” is obtained for consumption and storage, since it does not require rehydration or refrigeration and has an extended shelf life through processes that preserve the nutrients of the vegetable, without modifying its organoleptic characteristics and does not contain synthetic preservatives.
The aim of this thesis is to obtain pears (var. Packham ́s Triumph) dried by a combined method (microwave and hot air convection), pretreated by osmotic dehydration/impregnation process with calcium and zinc. The main purpose is to improve the nutritional value, the characteristic texture and reach an adequate humidity which allows a stable shelf product. In this way, a practical “snack” is obtained for consumption and storage, since it does not require rehydration or refrigeration and has an extended shelf life through processes that preserve the nutrients of the vegetable, without modifying its organoleptic characteristics and does not contain synthetic preservatives.
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peras fortificadas, peras secadas por microondas y conveccion, secado combinado de peras, peras impregnadas con Ca y Zn, peras deshidratadas osmoticamente, fortified pears, pears dried by microwave and convection, combined drying of pears, pears impregnated with Ca and Zn
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