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Evaluation of the Antimicrobial Activity, Starter Capability and Technological Properties of Some Probiotic Bacteria Isolated from Egyptian Pickles
Faculty
Science
Year:
2014
Type of Publication:
ZU Hosted
Pages:
Authors:
Mahmoud Elsayed Farag AbdelHalim
Staff Zu Site
Abstract In Staff Site
Journal:
Life Sci J Marsland Press / Zhengzhou University
Volume:
Keywords :
Evaluation , , Antimicrobial Activity, Starter Capability , Technological
Abstract:
The work employed in this paper was an endeavour to select and characterise a probiotic bacterial strain which could be used as starter and protective cultures for pickles fermentation. Sixty-one bacterial isolates were isolated from Egyptian pickled vegetables and fruits onto both MRS and nutrient agar media. One isolate only of lactic acid bacteria growing on MRS agar: LPS10 and three isolates BPS4, BPS20 and BPS33 growing on nutrient agar inhibited other pathogenic and non-pathogenic bacteria. Additionally, the LPS10 isolate inhibited Candida albicans fungus. The antimicrobial spectrum of LPS10 isolate was more than that obtained from other BPS4, BPS20 and BPS33 isolates. The LPS10 bactic acid bacterial isolate showed fast growth and decreased pH of the medium from 6.5 to 3.5 within 48 h, tolerated NaCl up to 11%, grew at wide range of pH (2.0-8.0) and temperatures (15-44ºC). It showed interested probiotic capabilities such as production of acetoin, citrate utilization, oxalate hydrolysis and production of some important enzymes. The BPS4, BPS20 and BPS33 isolates grew in nutrient broth, at 4-7% NaCl; at initial pH 3.5-8.0; at 15ºC-50ºC, they produced acetoin and decomposed some polymers and consequently, could be used as probiotics and biocontrol agents during pickles fermentation. The bacterial isolates LPS10; BPS4; BPS20; BPS33 were identified by biochemical and molecular methods as belonging to L. plantarum LPS10’ B. acidicolaBPS4; B. amyloliquefaciens BPS20; B. mycoidesBPS33 respectively.
Author Related Publications
Mahmoud Elsayed Farag AbdelHalim, "AtDGK2, a novel diacylglycerol kinase from Arabidopsis thaliana, phosphorylates 1-stearoyl-2-arachidonoyl-sn-glycerol and 1, 2-dioleoyl-sn-glycerol and exhibits cold-inducible gene expression", American Society for Biochemistry and Molecular Biology, 2004
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Mahmoud Elsayed Farag AbdelHalim, "Site-specific recombination systems in filamentous phages", Springer-Verlag, 2012
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Mahmoud Elsayed Farag AbdelHalim, "Characterization of Streptomyces isolates causing colour changes of mural paintings in ancient Egyptian tombs", Urban & Fischer, 2013
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Mahmoud Elsayed Farag AbdelHalim, "Efficiency of antibiotics and gamma irradiation in eliminating Streptomyces strains isolated from paintings of ancient Egyptian tombs", Elsevier Masson, 2013
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Mahmoud Elsayed Farag AbdelHalim, "DISCOLORATION OF ANCIENT EGYPTIAN MURAL PAINTINGS BY STREPTOMYCES STRAINS AND METHODS OF ITS REMOVAL.", International Journal of Conservation Science, 2012
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Department Related Publications
Tamer Aly Elsayed Sweilem, "تأثير البرولين و حامض السالسليك و قش الأرز على نمو و انتاجية نبات الفول البلدي المنزرع تحت ظروف الجفاف", كلية العلوم - جامعة الزقازيق, 2013
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Mohamed Farouk Ibrahim Aly, "T HE RELATIONSHIP BETWEEN SALTS AND GROWTH OF STREPTOMYCES COLONIES ISOLATED FROM MURAL PAINTINGS IN ANCIENT EGYPTIAN TOMBS", كلية العلوم جامعة الزقازيق, 2013
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weSam AbelGhani Aly, "Fibrinolysis and anticoagulant potential of a metallo protease produced by Bacillus subtilis K42", Indian Academy of Sciences, 2011
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weSam AbelGhani Aly, "Molecular and microbiological studies on vancomycin resistant Staphylococcus aureus (VRSA) strains isolated from burned patients", .egypt. j. exp.biot. bot, 2013
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weSam AbelGhani Aly, "The Antagonistic Activities of Some Metabolites Produced by Pseudomonas aeruginosa Sha8", , INSInet Publication, 2009
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