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Vitae (Medellín) ; 17(2): 141-148, mayo-ago. 2010.
Artigo em Espanhol | LILACS | ID: lil-557510

RESUMO

El objetivo del presente trabajo fue evaluar la viabilidad de tres microorganismos considerados probióticos: Lactobacillus casei 01, Bifidobacterium BB12, y Lactobacillus acidophilus La-5, durante la vida útil del queso Cottage (0, 7 y 14, y 7 días adicionales, para un total de 21 días, y su influencia sobre las características sensoriales. El estudio se llevó a cabo en cuatro tratamientos y tres repeticiones: el tratamiento control T1, sin agregado de probiótico; el tratamiento 2, con agregado de Lb. casei 01; el tratamiento 3, con agregado de Lb. acidophilus La – 5; y el tratamiento 4, con agregado de Bifidobacterium BB12. Los probióticos fueron adicionados a la crema que se agrega al queso, el cual es almacenado a 4ºC. La viabilidad de los microorganismos se midió en análisis microbiológicos; y las características de calidad de los productos mediante análisis físicos, microbiológicos, químicos y sensoriales. Bifidobacterium presentó recuentos superiores a 1 x 10.


The objective of this research was to evaluate the viability of three microorganisms considered as probiotics: Lactobacillus casei 01, Bifidobacterium BB12 and Lactobacillus acidophilus La-5, during cottage cheese shelflife (0, 7, 14, and 7 days thereafter equivalent to 21 days), and the influence on sensory characteristics of the products. The study was carried in four treatments and three replications. Control treatment (T1) without probiotics; treatment T2 containing Lb. casei 01; treatment T3 containing Lb. acidophilus La-5; and treatment 4, with the addition of Bifidobacterium BB12. The cream with the addition of probiotics was added to the cheese which is stored at 4ºC. The viability evaluation of microorganisms was carried through microbiology analysis and its quality characteristics obtained through physical, chemical and sensory analyses of the products at 0, 7 and 14 days. Bifidobacterium had higher counts than 1 x 10.


Assuntos
Probióticos , Queijo , Sobrevivência Celular
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