Evaluation of antioxidant, antibacterial and cytotoxicity activities of exopolysaccharide from Enterococcus strains isolated from traditional Iranian Kishk

In this study, the antimicrobial effect of exopolysaccharide (EPS) extracted from Enterococcus strains [ E. durans K48 (MT437,248), E. faecium R114 (MT437,249) and E. faecium T52 (MT437,250)] isolated from Kishk was applied against some foodborne pathogenic bacteria using well diffusion and microdil...

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Veröffentlicht in:Journal of food measurement & characterization 2021-12, Vol.15 (6), p.5221-5230
Hauptverfasser: Rahnama Vosough, Paria, Habibi Najafi, Mohammad Bagher, Edalatian Dovom, Mohammad Reza, Javadmanesh, Ali, Mayo, Baltasar
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container_title Journal of food measurement & characterization
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creator Rahnama Vosough, Paria
Habibi Najafi, Mohammad Bagher
Edalatian Dovom, Mohammad Reza
Javadmanesh, Ali
Mayo, Baltasar
description In this study, the antimicrobial effect of exopolysaccharide (EPS) extracted from Enterococcus strains [ E. durans K48 (MT437,248), E. faecium R114 (MT437,249) and E. faecium T52 (MT437,250)] isolated from Kishk was applied against some foodborne pathogenic bacteria using well diffusion and microdilution methods. The antioxidant activity of EPS was also evaluated by 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging assay and ferric reducing antioxidant power (FRAP) method. The cytotoxicity effect of EPS on human Gingival Fibroblast (HGF) cell line was also assessed. The results obtained by antimicrobial test showed that the most resistant bacteria to the examined EPS was Listeria monocytogenes , and the most susceptible were Staphylococcus aureus and E. faecalis . The results showed that the DPPH inhibitory percentage of EPS (25 mg/mL) from E. durans K48, E. faecium R114, and E. faecium T52 was 53%, 58% and 64%, respectively. EPS from E. faecium T52 displayed the highest reducing power, but statistically, there was no significant difference between the reducing power of EPS T52 and EPS R114 (P ≥ 0.05). The lowest toxicity percentage of EPS k48, EPS T52, and EPS R114 on normal human cell line at a concentration of 0.2 mg/mL was 10%, 15%, and 13%, respectively, which was statistically significant (P 
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The antioxidant activity of EPS was also evaluated by 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging assay and ferric reducing antioxidant power (FRAP) method. The cytotoxicity effect of EPS on human Gingival Fibroblast (HGF) cell line was also assessed. The results obtained by antimicrobial test showed that the most resistant bacteria to the examined EPS was Listeria monocytogenes , and the most susceptible were Staphylococcus aureus and E. faecalis . The results showed that the DPPH inhibitory percentage of EPS (25 mg/mL) from E. durans K48, E. faecium R114, and E. faecium T52 was 53%, 58% and 64%, respectively. EPS from E. faecium T52 displayed the highest reducing power, but statistically, there was no significant difference between the reducing power of EPS T52 and EPS R114 (P ≥ 0.05). The lowest toxicity percentage of EPS k48, EPS T52, and EPS R114 on normal human cell line at a concentration of 0.2 mg/mL was 10%, 15%, and 13%, respectively, which was statistically significant (P &lt; 0.05). The obtained results in the present study indicate that EPS from the examined LAB strains with no in vitro cytotoxicity can be a potential source of natural antioxidant and antibacterial agent to be used in food and pharmaceutical industries.</description><identifier>ISSN: 2193-4126</identifier><identifier>EISSN: 2193-4134</identifier><identifier>DOI: 10.1007/s11694-021-01092-5</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Antibacterial agents ; Antioxidants ; Bacteria ; Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; Cytotoxicity ; Engineering ; Enterococcus ; Evaluation ; Exopolysaccharides ; Food industry ; Food Science ; Listeria ; Original Paper ; Pharmaceutical industry ; Scavenging ; Statistical analysis ; Strains (organisms) ; Toxicity</subject><ispartof>Journal of food measurement &amp; characterization, 2021-12, Vol.15 (6), p.5221-5230</ispartof><rights>The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2021</rights><rights>The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2021.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-3e5143056b1554af6c155ab3e7750673f4c49d4c5ff7aa8ef420dc48e6f096ed3</citedby><cites>FETCH-LOGICAL-c319t-3e5143056b1554af6c155ab3e7750673f4c49d4c5ff7aa8ef420dc48e6f096ed3</cites><orcidid>0000-0002-0498-1067</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11694-021-01092-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11694-021-01092-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Rahnama Vosough, Paria</creatorcontrib><creatorcontrib>Habibi Najafi, Mohammad Bagher</creatorcontrib><creatorcontrib>Edalatian Dovom, Mohammad Reza</creatorcontrib><creatorcontrib>Javadmanesh, Ali</creatorcontrib><creatorcontrib>Mayo, Baltasar</creatorcontrib><title>Evaluation of antioxidant, antibacterial and cytotoxicity activities of exopolysaccharide from Enterococcus strains isolated from traditional Iranian Kishk</title><title>Journal of food measurement &amp; characterization</title><addtitle>Food Measure</addtitle><description>In this study, the antimicrobial effect of exopolysaccharide (EPS) extracted from Enterococcus strains [ E. durans K48 (MT437,248), E. faecium R114 (MT437,249) and E. faecium T52 (MT437,250)] isolated from Kishk was applied against some foodborne pathogenic bacteria using well diffusion and microdilution methods. The antioxidant activity of EPS was also evaluated by 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging assay and ferric reducing antioxidant power (FRAP) method. The cytotoxicity effect of EPS on human Gingival Fibroblast (HGF) cell line was also assessed. The results obtained by antimicrobial test showed that the most resistant bacteria to the examined EPS was Listeria monocytogenes , and the most susceptible were Staphylococcus aureus and E. faecalis . The results showed that the DPPH inhibitory percentage of EPS (25 mg/mL) from E. durans K48, E. faecium R114, and E. faecium T52 was 53%, 58% and 64%, respectively. EPS from E. faecium T52 displayed the highest reducing power, but statistically, there was no significant difference between the reducing power of EPS T52 and EPS R114 (P ≥ 0.05). 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The antioxidant activity of EPS was also evaluated by 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging assay and ferric reducing antioxidant power (FRAP) method. The cytotoxicity effect of EPS on human Gingival Fibroblast (HGF) cell line was also assessed. The results obtained by antimicrobial test showed that the most resistant bacteria to the examined EPS was Listeria monocytogenes , and the most susceptible were Staphylococcus aureus and E. faecalis . The results showed that the DPPH inhibitory percentage of EPS (25 mg/mL) from E. durans K48, E. faecium R114, and E. faecium T52 was 53%, 58% and 64%, respectively. EPS from E. faecium T52 displayed the highest reducing power, but statistically, there was no significant difference between the reducing power of EPS T52 and EPS R114 (P ≥ 0.05). 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subjects Antibacterial agents
Antioxidants
Bacteria
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Cytotoxicity
Engineering
Enterococcus
Evaluation
Exopolysaccharides
Food industry
Food Science
Listeria
Original Paper
Pharmaceutical industry
Scavenging
Statistical analysis
Strains (organisms)
Toxicity
title Evaluation of antioxidant, antibacterial and cytotoxicity activities of exopolysaccharide from Enterococcus strains isolated from traditional Iranian Kishk
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