Qualità microbiologica

Qualità microbiologica

Khaled Attrassi

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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Botánica y ciencias de las plantas
ISBN:
9786630019445
73,26 €
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Nel nostro progetto di ricerca abbiamo studiato la flora microbica presente nel succo, che non è altro che quella proveniente dall’acqua utilizzata per il lavaggio della frutta, lo stoccaggio, la trasformazione e l’impianto. La flora delle arance, che sfugge ai controlli, può presentare caratteristiche colturali e metaboliche in grado di alterare il prodotto alimentare. - I batteri isolati appartengono soprattutto al genere Enterobacteriaceae, talvolta al genere Bacillus, provenienti dall’aria e dal frutto stesso. - I funghi isolati sono anche Penicillium digitatum, Penicillium italicum, Fusarium oxysporum, Fusarium solani, Rhizopus elegans, Trichothecium roseum e Saccharomyces cerevisiae, caratterizzati dalla loro capacità di degradare gli zuccheri semplici e di convertire i polisaccaridi. Lo studio fisiologico mostra che la temperatura ottimale per la crescita, la germinazione e la fruttificazione conidiale è di circa 25 °C. I funghi isolati tollerano anche un ampio intervallo di pH compreso tra 4,5 e 8,5.

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