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Microbial, chemical and sensorial variables of the Spanish traditional blue-veined Cabrales cheese, as affected by inoculation with commercial Penicillium roqueforti spores

AutorFlórez García, Ana Belén ; Ruas-Madiedo, Patricia ; Alonso López, Leocadio ; Mayo Pérez, Baltasar
Palabras claveQueso Cabrales
Queso tradicional
Queso artesano
Fecha de publicación17-sep-2005
CitaciónEuropean Food Research and Technology 222(3-4): 250-257 (2006)
ResumenThis paper reports the technological effects of inoculating Cabrales cheese (a traditional, Spanish, blue-veined cheese) with Penicillium roqueforti spores. Three batches of inoculated Cabrales cheese were manufactured and a number of their microbial and biochemical variables recorded. The results were compared with those obtained for three batches of control cheese made using traditional technology (i.e., adding neither starter cultures nor fungal spores). Although mould and yeast populations grew more quickly in the inoculated cheeses, their normally dominant and representative microbial populations were not affected neither was their gross biochemical composition changed. The variations observed were thought to be caused by the uncontrolled environmental conditions of manufacture and ripening. The development of free amino acids and volatile compounds was significantly increased at 30 days in the inoculated cheeses, although the values for both types of cheese were almost identical at 90 days. The inoculated cheeses obtained higher scores in a hedonistic sensorial evaluation. Thus, inoculation improved the standardization and quality of the cheese
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