Journal
FOOD CONTROL
Volume 34, Issue 1, Pages 96-105Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodcont.2013.04.010
Keywords
Table olives; Fermentation; Lactobacillus pentosus; Probiotic; RAPD-PCR; Multifunctional starter
Categories
Funding
- EU [243471]
- Spanish Government [AGL2009-07436/ALI, AGL2010-15494, AGL2010-15529]
- European regional development funds, ERDF
- Junta de Andalucia
- CSIC
- Spanish government
- Ramon y Cajal
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This study assesses the technological characteristics and the dominance in brines of four selected potential probiotic Lactobacillus pentosus strains during green table olive Spanish-style fermentations. When compared with the spontaneous process, the use of these microorganisms as starter led to higher lactic acid bacteria than yeast populations, a decrease in Enterobacteriaceae levels and a faster acidification of the brines. Microbial changes were properly modelled with equations including both growth and death phases. Diverse genetic profiles among the lactic acid bacteria populations were found at the end of fermentation. Hence, inoculation using the current green olive processing technology guaranteed the development of the typical Spanish-style with, as shown by discriminant function analysis, some distinctive characteristic processes, according to strains, but did not assure per se the imposition of the selected strain in the cover brines. (C) 2013 Elsevier Ltd. All rights reserved.
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