Antimicrobial and antioxidant activities of different propolis samples from north‐western Algeria
Identifieur interne : 001574 ( Istex/Corpus ); précédent : 001573; suivant : 001575Antimicrobial and antioxidant activities of different propolis samples from north‐western Algeria
Auteurs : Mokhtar Benhanifia ; Wessam M. Mohamed ; Yuva Bellik ; Hama BenbarekSource :
- International Journal of Food Science & Technology [ 0950-5423 ] ; 2013-12.
Abstract
The aim of this study was the investigation of antimicrobial and antioxidant activities of different ethanolic extracts of propolis (EEP) collected from north‐western Algeria. Total polyphenols and flavonoids contents of extracts were measured. The UV absorption spectrum showed and confirmed their polyphenols constituents. All EEPs exerted antibacterial activity against Gram‐positive bacteria, but no effect on Gram‐negative bacteria. The minimum inhibitory concentration (MIC) of EEPs ranged from 0.01% to 2.6% v/v. The antioxidant activity was measured using ferric‐reducing power (FRAP), 1,1‐diphenyl‐2‐picrylhydrazyl (DPPH) free radical‐scavenging and ESR methods. Propolis TIA‐2 and MOH‐MAS samples showed the highest antioxidative capacity, after 35 min, while TIA‐1, NED‐TL and SFS‐SBA samples showed the highest antioxidative potential of measured EEPs, after 3 min. TIA‐2 sample showed the highest antibacterial, antioxidant activity and highest DPPH free radical‐scavenging activity as well as the highest polyphenols and flavonoids content, compared with other propolis samples.
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DOI: 10.1111/ijfs.12244
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Mohamed</name><affiliation><mods:affiliation>Graduate School of Pure and Applied Sciences, University of Tsukuba, 1‐1‐1 Tennodai, Ibaraki, 305‐8573, Tsukuba, Japan</mods:affiliation></affiliation></author><author><name sortKey="Bellik, Yuva" sort="Bellik, Yuva" uniqKey="Bellik Y" first="Yuva" last="Bellik">Yuva Bellik</name><affiliation><mods:affiliation>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</mods:affiliation></affiliation></author><author><name sortKey="Benbarek, Hama" sort="Benbarek, Hama" uniqKey="Benbarek H" first="Hama" last="Benbarek">Hama Benbarek</name><affiliation><mods:affiliation>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</mods:affiliation></affiliation><affiliation><mods:affiliation>Department of Agricultural Sciences, Faculty of life and natural Sciences, University of Mascara, 29000, Algeria</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">International Journal of Food Science & Technology</title><title level="j" type="abbrev">Int J Food Sci Technol</title><idno type="ISSN">0950-5423</idno><idno type="eISSN">1365-2621</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><date type="published" when="2013-12">2013-12</date><biblScope unit="volume">48</biblScope><biblScope unit="issue">12</biblScope><biblScope unit="page" from="2521">2521</biblScope><biblScope unit="page" to="2527">2527</biblScope></imprint><idno type="ISSN">0950-5423</idno></series><idno type="istex">1AF6E50A0A987340AA1DCB0C6576A84E7AF5DF12</idno><idno type="DOI">10.1111/ijfs.12244</idno><idno type="ArticleID">IJFS12244</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0950-5423</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">The aim of this study was the investigation of antimicrobial and antioxidant activities of different ethanolic extracts of propolis (EEP) collected from north‐western Algeria. Total polyphenols and flavonoids contents of extracts were measured. The UV absorption spectrum showed and confirmed their polyphenols constituents. All EEPs exerted antibacterial activity against Gram‐positive bacteria, but no effect on Gram‐negative bacteria. The minimum inhibitory concentration (MIC) of EEPs ranged from 0.01% to 2.6% v/v. The antioxidant activity was measured using ferric‐reducing power (FRAP), 1,1‐diphenyl‐2‐picrylhydrazyl (DPPH) free radical‐scavenging and ESR methods. Propolis TIA‐2 and MOH‐MAS samples showed the highest antioxidative capacity, after 35 min, while TIA‐1, NED‐TL and SFS‐SBA samples showed the highest antioxidative potential of measured EEPs, after 3 min. TIA‐2 sample showed the highest antibacterial, antioxidant activity and highest DPPH free radical‐scavenging activity as well as the highest polyphenols and flavonoids content, compared with other propolis samples.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Mokhtar Benhanifia</name><affiliations><json:string>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</json:string><json:string>Graduate School of Pure and Applied Sciences, University of Tsukuba, 1‐1‐1 Tennodai, Ibaraki, 305‐8573, Tsukuba, Japan</json:string></affiliations></json:item><json:item><name>Wessam M. Mohamed</name><affiliations><json:string>Graduate School of Pure and Applied Sciences, University of Tsukuba, 1‐1‐1 Tennodai, Ibaraki, 305‐8573, Tsukuba, Japan</json:string></affiliations></json:item><json:item><name>Yuva Bellik</name><affiliations><json:string>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</json:string></affiliations></json:item><json:item><name>Hama Benbarek</name><affiliations><json:string>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</json:string><json:string>Department of Agricultural Sciences, Faculty of life and natural Sciences, University of Mascara, 29000, Algeria</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>2,2‐diphenyl‐1‐picrylhydrazyl</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Algerian propolis</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>antibacterial activity</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>antioxidants</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>electron spin resonance</value></json:item></subject><articleId><json:string>IJFS12244</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>The aim of this study was the investigation of antimicrobial and antioxidant activities of different ethanolic extracts of propolis (EEP) collected from north‐western Algeria. Total polyphenols and flavonoids contents of extracts were measured. The UV absorption spectrum showed and confirmed their polyphenols constituents. All EEPs exerted antibacterial activity against Gram‐positive bacteria, but no effect on Gram‐negative bacteria. The minimum inhibitory concentration (MIC) of EEPs ranged from 0.01% to 2.6% v/v. The antioxidant activity was measured using ferric‐reducing power (FRAP), 1,1‐diphenyl‐2‐picrylhydrazyl (DPPH) free radical‐scavenging and ESR methods. Propolis TIA‐2 and MOH‐MAS samples showed the highest antioxidative capacity, after 35 min, while TIA‐1, NED‐TL and SFS‐SBA samples showed the highest antioxidative potential of measured EEPs, after 3 min. TIA‐2 sample showed the highest antibacterial, antioxidant activity and highest DPPH free radical‐scavenging activity as well as the highest polyphenols and flavonoids content, compared with other propolis samples.</abstract><qualityIndicators><score>7.653</score><pdfVersion>1.7</pdfVersion><pdfPageSize>595.276 x 782.362 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>5</keywordCount><abstractCharCount>1092</abstractCharCount><pdfWordCount>3949</pdfWordCount><pdfCharCount>26984</pdfCharCount><pdfPageCount>7</pdfPageCount><abstractWordCount>142</abstractWordCount></qualityIndicators><title>Antimicrobial and antioxidant activities of different propolis samples from north‐western Algeria</title><genre><json:string>article</json:string></genre><host><volume>48</volume><publisherId><json:string>IJFS</json:string></publisherId><pages><total>7</total><last>2527</last><first>2521</first></pages><issn><json:string>0950-5423</json:string></issn><issue>12</issue><subject><json:item><value>Original Article</value></json:item></subject><genre><json:string>journal</json:string></genre><language><json:string>unknown</json:string></language><eissn><json:string>1365-2621</json:string></eissn><title>International Journal of Food Science & Technology</title><doi><json:string>10.1111/(ISSN)1365-2621</json:string></doi></host><publicationDate>2013</publicationDate><copyrightDate>2013</copyrightDate><doi><json:string>10.1111/ijfs.12244</json:string></doi><id>1AF6E50A0A987340AA1DCB0C6576A84E7AF5DF12</id><score>0.16370304</score><fulltext><json:item><original>true</original><mimetype>application/pdf</mimetype><extension>pdf</extension><uri>https://api.istex.fr/document/1AF6E50A0A987340AA1DCB0C6576A84E7AF5DF12/fulltext/pdf</uri></json:item><json:item><original>false</original><mimetype>application/zip</mimetype><extension>zip</extension><uri>https://api.istex.fr/document/1AF6E50A0A987340AA1DCB0C6576A84E7AF5DF12/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/1AF6E50A0A987340AA1DCB0C6576A84E7AF5DF12/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Antimicrobial and antioxidant activities of different propolis samples from north‐western Algeria</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Blackwell Publishing Ltd</publisher><availability><p>International Journal of Food Science and Technology © 2013 Institute of Food Science and Technology© 2013 The Authors. International Journal of Food Science and Technology © 2013 Institute of Food Science and Technology</p></availability><date>2013-06-19</date></publicationStmt><notesStmt><note>Figure S1. Kinetics study of the reduction of the DPPH‐ESR signal by ethanolic extract of propolis (EEP). Figure S2. Determination of antioxidative potential of ethanolic extract of propolis (EEP) against DPPH. Figure S3. Determination of antioxidative capacity of ethanolic extract of propolis (EEP) against DPPH.</note><note>Ministry of higher education and Scientific Research</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Antimicrobial and antioxidant activities of different propolis samples from north‐western Algeria</title><author xml:id="author-1"><persName><forename type="first">Mokhtar</forename><surname>Benhanifia</surname></persName><note type="correspondence"><p>Correspondence: Correspondent: E‐mails: ;</p></note><affiliation>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</affiliation><affiliation>Graduate School of Pure and Applied Sciences, University of Tsukuba, 1‐1‐1 Tennodai, Ibaraki, 305‐8573, Tsukuba, Japan</affiliation></author><author xml:id="author-2"><persName><forename type="first">Wessam M.</forename><surname>Mohamed</surname></persName><affiliation>Graduate School of Pure and Applied Sciences, University of Tsukuba, 1‐1‐1 Tennodai, Ibaraki, 305‐8573, Tsukuba, Japan</affiliation></author><author xml:id="author-3"><persName><forename type="first">Yuva</forename><surname>Bellik</surname></persName><affiliation>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</affiliation></author><author xml:id="author-4"><persName><forename type="first">Hama</forename><surname>Benbarek</surname></persName><affiliation>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</affiliation><affiliation>Department of Agricultural Sciences, Faculty of life and natural Sciences, University of Mascara, 29000, Algeria</affiliation></author></analytic><monogr><title level="j">International Journal of Food Science & Technology</title><title level="j" type="abbrev">Int J Food Sci Technol</title><idno type="pISSN">0950-5423</idno><idno type="eISSN">1365-2621</idno><idno type="DOI">10.1111/(ISSN)1365-2621</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><date type="published" when="2013-12"></date><biblScope unit="volume">48</biblScope><biblScope unit="issue">12</biblScope><biblScope unit="page" from="2521">2521</biblScope><biblScope unit="page" to="2527">2527</biblScope></imprint></monogr><idno type="istex">1AF6E50A0A987340AA1DCB0C6576A84E7AF5DF12</idno><idno type="DOI">10.1111/ijfs.12244</idno><idno type="ArticleID">IJFS12244</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2013-06-19</date></creation><langUsage><language ident="en">en</language></langUsage><abstract><p>The aim of this study was the investigation of antimicrobial and antioxidant activities of different ethanolic extracts of propolis (EEP) collected from north‐western Algeria. Total polyphenols and flavonoids contents of extracts were measured. The UV absorption spectrum showed and confirmed their polyphenols constituents. All EEPs exerted antibacterial activity against Gram‐positive bacteria, but no effect on Gram‐negative bacteria. The minimum inhibitory concentration (MIC) of EEPs ranged from 0.01% to 2.6% v/v. The antioxidant activity was measured using ferric‐reducing power (FRAP), 1,1‐diphenyl‐2‐picrylhydrazyl (DPPH) free radical‐scavenging and ESR methods. Propolis TIA‐2 and MOH‐MAS samples showed the highest antioxidative capacity, after 35 min, while TIA‐1, NED‐TL and SFS‐SBA samples showed the highest antioxidative potential of measured EEPs, after 3 min. TIA‐2 sample showed the highest antibacterial, antioxidant activity and highest DPPH free radical‐scavenging activity as well as the highest polyphenols and flavonoids content, compared with other propolis samples.</p></abstract><textClass><keywords scheme="keyword"><list><head>keywords</head><item><term>2,2‐diphenyl‐1‐picrylhydrazyl</term></item><item><term>Algerian propolis</term></item><item><term>antibacterial activity</term></item><item><term>antioxidants</term></item><item><term>electron spin resonance</term></item></list></keywords></textClass><textClass><keywords scheme="Journal Subject"><list><head>article-category</head><item><term>Original Article</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2012-12-26">Received</change><change when="2013-06-08">Registration</change><change when="2013-06-19">Created</change><change when="2013-12">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><original>false</original><mimetype>text/plain</mimetype><extension>txt</extension><uri>https://api.istex.fr/document/1AF6E50A0A987340AA1DCB0C6576A84E7AF5DF12/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component type="serialArticle" version="2.0" xml:id="ijfs12244" xml:lang="en"><header><publicationMeta level="product"><doi origin="wiley" registered="yes">10.1111/(ISSN)1365-2621</doi><issn type="print">0950-5423</issn><issn type="electronic">1365-2621</issn><idGroup><id type="product" value="IJFS"></id></idGroup><titleGroup><title sort="INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY" type="main">International Journal of Food Science & Technology</title><title type="short">Int J Food Sci Technol</title></titleGroup></publicationMeta><publicationMeta level="part" position="120"><doi origin="wiley">10.1111/ijfs.2013.48.issue-12</doi><copyright ownership="thirdParty">International Journal of Food Science and Technology © 2013 Institute of Food Science and Technology</copyright><numberingGroup><numbering type="journalVolume" number="48">48</numbering><numbering type="journalIssue">12</numbering></numberingGroup><coverDate startDate="2013-12">December 2013</coverDate></publicationMeta><publicationMeta level="unit" position="110" status="forIssue" type="article"><doi>10.1111/ijfs.12244</doi><idGroup><id type="unit" value="IJFS12244"></id></idGroup><countGroup><count number="7" type="pageTotal"></count></countGroup><titleGroup><title type="articleCategory">Original Article</title><title type="tocHeading1">Original articles</title></titleGroup><copyright ownership="thirdParty">© 2013 The Authors. International Journal of Food Science and Technology © 2013 Institute of Food Science and Technology</copyright><eventGroup><event date="2012-12-26" type="manuscriptReceived"></event><event date="2013-06-08" type="manuscriptAccepted"></event><event agent="SPS" date="2013-06-19" type="xmlCreated"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.2.6 mode:FullText" date="2013-10-24"></event><event type="publishedOnlineEarlyUnpaginated" date="2013-07-12"></event><event type="firstOnline" date="2013-07-12"></event><event type="publishedOnlineFinalForm" date="2013-10-24"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.6.4 mode:FullText" date="2015-10-04"></event></eventGroup><numberingGroup><numbering type="pageFirst">2521</numbering><numbering type="pageLast">2527</numbering></numberingGroup><correspondenceTo>Correspondent: E‐mails: <email>mbenhanifia@yahoo.com</email>; <email>mokhtar@ims.tsukuba.ac.jp</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:IJFS.IJFS12244.pdf"></link></linkGroup></publicationMeta><contentMeta><titleGroup><title type="main">Antimicrobial and antioxidant activities of different propolis samples from north‐western <fc>A</fc>lgeria</title><title type="shortAuthors"><i>M. Benhanifia</i> et al.</title></titleGroup><creators><creator affiliationRef="#ijfs12244-aff-0001 #ijfs12244-aff-0002" corresponding="yes" creatorRole="author" xml:id="ijfs12244-cr-0001"><personName><givenNames>Mokhtar</givenNames> <familyName>Benhanifia</familyName></personName></creator><creator affiliationRef="#ijfs12244-aff-0002" creatorRole="author" xml:id="ijfs12244-cr-0002"><personName><givenNames>Wessam M.</givenNames> <familyName>Mohamed</familyName></personName></creator><creator affiliationRef="#ijfs12244-aff-0001" creatorRole="author" xml:id="ijfs12244-cr-0003"><personName><givenNames>Yuva</givenNames> <familyName>Bellik</familyName></personName></creator><creator affiliationRef="#ijfs12244-aff-0001 #ijfs12244-aff-0003" creatorRole="author" xml:id="ijfs12244-cr-0004"><personName><givenNames>Hama</givenNames> <familyName>Benbarek</familyName></personName></creator></creators><affiliationGroup><affiliation countryCode="DZ" type="organization" xml:id="ijfs12244-aff-0001"><orgDiv>Laboratory of Research on Local Animal Products</orgDiv> <orgName>Institute of Veterinary Sciences</orgName> <orgName>University of Ibn Khaldoun</orgName> <address><city>Tiaret</city> <postCode>14000</postCode> <country>Algeria</country></address></affiliation><affiliation countryCode="JP" type="organization" xml:id="ijfs12244-aff-0002"><orgDiv>Graduate School of Pure and Applied Sciences</orgDiv> <orgName>University of Tsukuba</orgName> <address><street>1‐1‐1 Tennodai</street> <city>Tsukuba</city> <countryPart>Ibaraki</countryPart> <postCode>305‐8573</postCode> <country>Japan</country></address></affiliation><affiliation countryCode="DZ" type="organization" xml:id="ijfs12244-aff-0003"><orgDiv>Department of Agricultural Sciences</orgDiv> <orgDiv>Faculty of life and natural Sciences</orgDiv> <orgName>University of Mascara</orgName> <address><postCode>29000</postCode> <country>Algeria</country></address></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="ijfs12244-kwd-0001">2,2‐diphenyl‐1‐picrylhydrazyl</keyword><keyword xml:id="ijfs12244-kwd-0002"><fc>A</fc>lgerian propolis</keyword><keyword xml:id="ijfs12244-kwd-0003">antibacterial activity</keyword><keyword xml:id="ijfs12244-kwd-0004">antioxidants</keyword><keyword xml:id="ijfs12244-kwd-0005">electron spin resonance</keyword></keywordGroup><fundingInfo><fundingAgency>Ministry of higher education and Scientific Research</fundingAgency></fundingInfo><supportingInformation><supportingInfoItem><mediaResource alt="supporting" mimeType="application/msword" href="urn-x:wiley:09505423:media:ijfs12244:ijfs12244-sup-0001-FigureS1-S3"></mediaResource><caption><p><b>Figure S1.</b> Kinetics study of the reduction of the DPPH‐ESR signal by ethanolic extract of propolis (EEP).</p><p><b>Figure S2.</b> Determination of antioxidative potential of ethanolic extract of propolis (EEP) against DPPH.</p><p><b>Figure S3.</b> Determination of antioxidative capacity of ethanolic extract of propolis (EEP) against DPPH.</p></caption></supportingInfoItem></supportingInformation><abstractGroup><abstract type="main" xml:id="ijfs12244-abs-0001"><title type="main">Summary</title><p>The aim of this study was the investigation of antimicrobial and antioxidant activities of different ethanolic extracts of propolis (<fc>EEP</fc>) collected from north‐western <fc>A</fc>lgeria. Total polyphenols and flavonoids contents of extracts were measured. The <fc>UV</fc> absorption spectrum showed and confirmed their polyphenols constituents. All <fc>EEP</fc>s exerted antibacterial activity against Gram‐positive bacteria, but no effect on Gram‐negative bacteria. The minimum inhibitory concentration (<fc>MIC</fc>) of <fc>EEP</fc>s ranged from 0.01% to 2.6% v/v. The antioxidant activity was measured using ferric‐reducing power (<fc>FRAP</fc>), 1,1‐diphenyl‐2‐picrylhydrazyl (<fc>DPPH</fc>) free radical‐scavenging and <fc>ESR</fc> methods. Propolis <fc>TIA</fc>‐2 and <fc>MOH</fc>‐<fc>MAS</fc> samples showed the highest antioxidative capacity, after 35 min, while <fc>TIA</fc>‐1, <fc>NED</fc>‐<fc>TL</fc> and <fc>SFS</fc>‐<fc>SBA</fc> samples showed the highest antioxidative potential of measured <fc>EEP</fc>s, after 3 min. <fc>TIA</fc>‐2 sample showed the highest antibacterial, antioxidant activity and highest <fc>DPPH</fc> free radical‐scavenging activity as well as the highest polyphenols and flavonoids content, compared with other propolis samples.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Antimicrobial and antioxidant activities of different propolis samples from north‐western Algeria</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Antimicrobial and antioxidant activities of different propolis samples from north‐western Algeria</title></titleInfo><name type="personal"><namePart type="given">Mokhtar</namePart><namePart type="family">Benhanifia</namePart><affiliation>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</affiliation><affiliation>Graduate School of Pure and Applied Sciences, University of Tsukuba, 1‐1‐1 Tennodai, Ibaraki, 305‐8573, Tsukuba, Japan</affiliation><description>Correspondence: Correspondent: E‐mails: ; </description><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Wessam M.</namePart><namePart type="family">Mohamed</namePart><affiliation>Graduate School of Pure and Applied Sciences, University of Tsukuba, 1‐1‐1 Tennodai, Ibaraki, 305‐8573, Tsukuba, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Yuva</namePart><namePart type="family">Bellik</namePart><affiliation>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Hama</namePart><namePart type="family">Benbarek</namePart><affiliation>Laboratory of Research on Local Animal Products, Institute of Veterinary Sciences, University of Ibn Khaldoun, 14000, Tiaret, Algeria</affiliation><affiliation>Department of Agricultural Sciences, Faculty of life and natural Sciences, University of Mascara, 29000, Algeria</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><dateIssued encoding="w3cdtf">2013-12</dateIssued><dateCreated encoding="w3cdtf">2013-06-19</dateCreated><dateCaptured encoding="w3cdtf">2012-12-26</dateCaptured><dateValid encoding="w3cdtf">2013-06-08</dateValid><copyrightDate encoding="w3cdtf">2013</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract>The aim of this study was the investigation of antimicrobial and antioxidant activities of different ethanolic extracts of propolis (EEP) collected from north‐western Algeria. Total polyphenols and flavonoids contents of extracts were measured. The UV absorption spectrum showed and confirmed their polyphenols constituents. All EEPs exerted antibacterial activity against Gram‐positive bacteria, but no effect on Gram‐negative bacteria. The minimum inhibitory concentration (MIC) of EEPs ranged from 0.01% to 2.6% v/v. The antioxidant activity was measured using ferric‐reducing power (FRAP), 1,1‐diphenyl‐2‐picrylhydrazyl (DPPH) free radical‐scavenging and ESR methods. Propolis TIA‐2 and MOH‐MAS samples showed the highest antioxidative capacity, after 35 min, while TIA‐1, NED‐TL and SFS‐SBA samples showed the highest antioxidative potential of measured EEPs, after 3 min. TIA‐2 sample showed the highest antibacterial, antioxidant activity and highest DPPH free radical‐scavenging activity as well as the highest polyphenols and flavonoids content, compared with other propolis samples.</abstract><note type="additional physical form">Figure S1. Kinetics study of the reduction of the DPPH‐ESR signal by ethanolic extract of propolis (EEP). Figure S2. Determination of antioxidative potential of ethanolic extract of propolis (EEP) against DPPH. Figure S3. Determination of antioxidative capacity of ethanolic extract of propolis (EEP) against DPPH.</note><note type="funding">Ministry of higher education and Scientific Research</note><subject><genre>keywords</genre><topic>2,2‐diphenyl‐1‐picrylhydrazyl</topic><topic>Algerian propolis</topic><topic>antibacterial activity</topic><topic>antioxidants</topic><topic>electron spin resonance</topic></subject><relatedItem type="host"><titleInfo><title>International Journal of Food Science & Technology</title></titleInfo><titleInfo type="abbreviated"><title>Int J Food Sci Technol</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Original Article</topic></subject><identifier type="ISSN">0950-5423</identifier><identifier type="eISSN">1365-2621</identifier><identifier type="DOI">10.1111/(ISSN)1365-2621</identifier><identifier type="PublisherID">IJFS</identifier><part><date>2013</date><detail type="volume"><caption>vol.</caption><number>48</number></detail><detail type="issue"><caption>no.</caption><number>12</number></detail><extent unit="pages"><start>2521</start><end>2527</end><total>7</total></extent></part></relatedItem><identifier type="istex">1AF6E50A0A987340AA1DCB0C6576A84E7AF5DF12</identifier><identifier type="DOI">10.1111/ijfs.12244</identifier><identifier type="ArticleID">IJFS12244</identifier><accessCondition type="use and reproduction" contentType="copyright">International Journal of Food Science and Technology © 2013 Institute of Food Science and Technology© 2013 The Authors. 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