Performance of two potential probiotic Lactobacillus strains from the olive microbiota as starters in the fermentation of heat shocked green olives

International Journal of Food Microbiology
Anthoula A ArgyriChrysoula C Tassou

Abstract

The performance of two potential probiotic Lactobacillus strains from olive microbiota, namely L. pentosus B281 and L. plantarum B282 was assessed as starter cultures in Spanish-style fermentation of heat shocked green olives cv. Halkidiki. Two different initial salt levels were studied, 10% (w/v) and 8% (w/v) NaCl, and the brines were inoculated with (a) L. pentosus B281, (b) L. plantarum B282, and (c) a mixture of both strains. A spontaneous fermentation was also taken into account as control treatment. Prior to brining, olives were heat shocked at 80 °C for 10 min to reduce the level of the indigenous microbiota on olive drupes and facilitate the dominance of the inoculated cultures. Microbiological, physicochemical and sensory analyses were conducted throughout fermentation. The composition of LAB population and the evolution of added inocula were assessed by Pulsed Field Gel Electrophoresis (PFGE). The final population of LAB was maintained above 6 log cycles in olive flesh. Both L. pentosus B281 and L. plantarum B282 were able to dominate over indigenous LAB, albeit strain B281 exhibited higher recovery percentages (100 or 94.7% for B281 and 58.8% or 55.0% for B282 in 10% or 8% NaCl, respectively). L. pentosus B281 also d...Continue Reading

References

Jan 24, 2012·Food Microbiology·Maria AponteGiancarlo Moschetti
Dec 4, 2012·Food Microbiology·Anthoula A ArgyriChrysoula C Tassou

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Citations

Sep 3, 2014·International Journal of Systematic and Evolutionary Microbiology·Aspasia NisiotouChrysoula Tassou
Jan 13, 2015·International Journal of Food Sciences and Nutrition·Antonio BevilacquaMaria Rosaria Corbo
Sep 19, 2014·Frontiers in Microbiology·F Rodríguez-GómezFrancisco N Arroyo-López
May 31, 2017·Microorganisms·Stamatoula BonatsouGeorge-John E Nychas
Apr 10, 2018·Critical Reviews in Food Science and Nutrition·Min MinMalik A Hussain
Nov 24, 2017·Frontiers in Microbiology·Francisco Rodríguez-GómezFrancisco N Arroyo-López
Feb 16, 2020·Foods·Giorgia PerpetuiniAldo Corsetti
Jul 28, 2020·Foods·M Francisca Portilha-CunhaF Xavier Malcata
Jul 13, 2018·Frontiers in Nutrition·Antonio López-LópezAntonio Garrido-Fernández
Apr 20, 2018·Frontiers in Microbiology·Marco CampusRoberta Comunian

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