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Effect of green Spanish-style Manzanilla packaging conditions on the prevalence of the putative probiotic bacteria Lactobacillus pentosus TOMC-LAB2

AuthorsRodríguez-Gómez, Francisco J. ; Romero-Gil, Verónica; García García, Pedro ; Arroyo López, Francisco Noé ; Garrido Fernández, A.
KeywordsLactic acid bacteria
Packaging conditions
Table olives
Issue DateMar-2016
PublisherJohn Wiley & Sons
CitationFood Science and Nutrition 4(2): 181–197 (2016)
AbstractThis work focuses on the persistence of the putative probiotic bacteria Lactobacillus pentosus TOMC-LAB2 on green Spanish-style Manzanilla olives according to different packaging conditions and storage temperatures. The lactic acid bacteria population decreased with time but the highest survival counts (and lowest yeasts) at the end of storage (8 months) were observed in plastic pouches under nitrogen atmosphere and glass jars with brine stored at 20°C. Molecular techniques showed a 100% presence of the putative probiotic bacteria in biofilms adhered to olive epidermis, while it was absent in PPB (plastic pouches with brine) and in olives stored at 7°C. No changes in NaCl, pH or combined acidity were observed during the storage except for a slight increase in titratable acidity at 20°C. The color of the fruits was stable but degraded at 20°C for olives in plastic pouches with brine.
Publisher version (URL)http://dx.doi.org/10.1002/fsn3.272
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