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Chemical Constituents of Two Endemic Sideritis Species from Turkey with Antioxidant Activity

Carikci, Sema; Kilic, Turgut; Azizoglu, Akin; Topcu, Gulacti


DataCite XML

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/87807</identifier>
  <creators>
    <creator>
      <creatorName>Carikci, Sema</creatorName>
      <givenName>Sema</givenName>
      <familyName>Carikci</familyName>
      <affiliation>Balikesir Univ, Fac Arts &amp; Sci, Dept Chem, TR-10145 Balikesir, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Kilic, Turgut</creatorName>
      <givenName>Turgut</givenName>
      <familyName>Kilic</familyName>
      <affiliation>Balikesir Univ, Fac Arts &amp; Sci, Dept Chem, TR-10145 Balikesir, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Azizoglu, Akin</creatorName>
      <givenName>Akin</givenName>
      <familyName>Azizoglu</familyName>
      <affiliation>Balikesir Univ, Fac Arts &amp; Sci, Dept Chem, TR-10145 Balikesir, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Topcu, Gulacti</creatorName>
      <givenName>Gulacti</givenName>
      <familyName>Topcu</familyName>
      <affiliation>Bezmialem Vakif Univ, Fac Pharm, TR-34093 Fatih Istanbul, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Chemical Constituents Of Two Endemic Sideritis Species From Turkey With Antioxidant Activity</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2012</publicationYear>
  <dates>
    <date dateType="Issued">2012-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/87807</alternateIdentifier>
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    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.81043/aperta.87806</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.81043/aperta.87807</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">In this study, two Sideritis species, endemic to Turkey, S. niveotomentosa Huber - Morathii, S. brevidens P. H. Davis have been studied for their diterpenic compounds and the antioxidant properties. Eight known diterpenoids, which have ent-kaurene skeleton, were isolated from acetone and methanol extracts of these species. The structures of the isolated diterpenes were determined by using the NMR (H-1-NMR, C-13-NMR, COSY, HMQC, and HMBC) spectroscopy. The analysis of the phenolic compounds of the extracts was performed by high performance liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). Also the antioxidant capacity of the extracts was investigated namely by two methods; free radical scavenging and beta-carotene bleaching activities.</description>
  </descriptions>
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