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Inhibitory action of three lactic acid bacteria cultures on some food-borne pathogens during pickling of green olive fruits
Faculty
Science
Year:
2022
Type of Publication:
ZU Hosted
Pages:
Authors:
Gamal abdelaziz abdelhamid
Staff Zu Site
Abstract In Staff Site
Journal:
Heliyon Elsevier
Volume:
Keywords :
Inhibitory action , three lactic acid bacteria
Abstract:
The healthy olive pickles are those ones which are made by using lactic acid bacteria (LAB) as starter and protective cultures. Three lactic acid bacteria (LAB) strains namely: Lactobacillus plantarum LPS10 (L. plantarum), Lactobacillus fermentum PP17 (L. fermentum) and Pediococcus acidilactici MH512904 (P. acidilactici) were used for inhibition of some food-borne bacterial pathogens such as Listeria monocytogenes LMG10470 (L. monocytogenes), Staphylococcus aureus ATCC25923 (S. aureus), Bacillus cereus ATCC14579 (B. cereus) and Escherichia coli ATCC25922 (E. coli) in Brain Heart Infusion Broth (BHIB) and during pickling of green olive fruits. Cell free supernatants (CFS) from LAB showed distinctive inhibition of the indicator bacterial pathogens used and the inhibitory activity was more pronounced against Gram positive bacteria than that found against Gram negative E. coli strain used; the inhibitory activity of CFS was more pronounced than that obtained by neutralized cell free supernatants (NCFS). Cultures of LAB were used for inhibition of the food-borne pathogens during pickling of green olive fruits. The food-borne bacterial cells grew in olive pickles brine (control) and their growth (CFU/mL) decreased in treated pickles samples and distinctive differences in growth values (CFU/mL) were observed between control and treated samples. CFS from L. plantarum affected target cells of both L. monocytogenes and E. coli and caused cell deformations, cell shrinkage and cell lysis as showed by Transmission Electron Microscopic (TEM)
Author Related Publications
Gamal abdelaziz abdelhamid, "Partial Purification of two Novel Variants of Bacteriocins Produced by Lactic Acid Bacteria", IDOSI Publications, 2014
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Gamal abdelaziz abdelhamid, "Antimicrobial activity of Enterococcus faecium NM2 Isolated from Urine : Purification, Charactrization and Bactericidal Action of Enterocin NM2", Knowlege review Malaysia, 2014
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Gamal abdelaziz abdelhamid, "Evaluation of the Antimicrobial Activity, Starter Capability and Technological Properties of Some Probiotic Bacteria Isolated from Egyptian Pickles", Life Science journal, 2014
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Gamal abdelaziz abdelhamid, "Incidence and virulence of Bacillus cereus isolated from Egyptian foods during four seasons", Acadimic Journals, 2012
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Gamal abdelaziz abdelhamid, "Biological Characterization and Inhibition of Streptococcus pyogenes ZUH1 Causing Chronic Cystitis by Crocus sativus Methanol Extract, Bee Honey Alone or in Combination with Antibiotics: An In Vitro Study", MDPI, ST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2019
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Department Related Publications
Mohamed Farouk Ibrahim Aly, "Production of Cellulases and Xylanase by Thermophilic and Alkaliphilic Bacterial Strains Isolated from Agricultural Wastes", World Applied Sciences Journal, 2013
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weSam AbelGhani Aly, "Biosorption of Some Heavy Metal Ions Using Bacterial Species Isolated from Agriculture Waste Water Drains in Egypt", INSInet Publication, 2009
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Fifi Mohamed Reda Mohamed, "Detoxification of enterotoxigenic Bacillus cereus (JX455159) isolated from meat by a local strain of Lactobacillus plantarum (JX282192)", springer, 2013
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Fifi Mohamed Reda Mohamed, "Purification and characterization of a metallo-protease produced by Exiguobacterium sp. S8 (AB813715) isolated from soil", Egypt, 2013
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Ashraf Sabry Abdelfattah alsaied, "L-glutaminase production by Trichoderma koningii under solid state fermentation", Springer, Association of Microbiologists of India 2009,, 2008
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