Antioxidant Capacity of Rapeseed Extracts Obtained by Conventional and Ultrasound-Assisted Extraction
Identifieur interne : 000B97 ( Main/Exploration ); précédent : 000B96; suivant : 000B98Antioxidant Capacity of Rapeseed Extracts Obtained by Conventional and Ultrasound-Assisted Extraction
Auteurs : Aleksandra Szydłowska-Czerniak [Pologne] ; Agnieszka Tułodziecka [Pologne]Source :
- Journal of the American Oil Chemists' Society [ 0003-021X ] ; 2014.
Abstract
Ultrasound-assisted extraction (UAE) and conventional solid–liquid extraction were applied to extract total antioxidants from two rapeseed varieties. The antioxidant capacities (AC) of winter and spring rapeseed cultivars were determined by four different analytical methods: ferric reducing antioxidant power (FRAP), cupric reducing antioxidant capacity (CUPRAC), 2,2′-diphenyl-1-picrylhydrazyl (DPPH), 2,2′-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS). The average AC of the studied rapeseed cultivars ranged between 4.21–10.03 mmol Trolox (TE)/100 g, 7.82–10.61 mmol TE/100 g, 8.11–51.59 mmol TE/100 g, 22.48–43.13 mmol TE/100 g for FRAP, CUPRAC, DPPH and ABTS methods, respectively. There are positive correlations between total phenolics (TPC = 804–1625 mg sinapic acid (SA)/100 g) and AC of the studied rapeseed extracts (
Url:
DOI: 10.1007/s11746-014-2557-4
PubMed: 25431498
PubMed Central: 4239784
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Antioxidant Capacity of Rapeseed Extracts Obtained by Conventional and Ultrasound-Assisted Extraction</title><author><name sortKey="Szydlowska Czerniak, Aleksandra" sort="Szydlowska Czerniak, Aleksandra" uniqKey="Szydlowska Czerniak A" first="Aleksandra" last="Szydłowska-Czerniak">Aleksandra Szydłowska-Czerniak</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, 87-100 Toruń, Poland</nlm:aff><country xml:lang="fr">Pologne</country><wicri:regionArea>Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, 87-100 Toruń</wicri:regionArea><wicri:noRegion>87-100 Toruń</wicri:noRegion></affiliation></author><author><name sortKey="Tulodziecka, Agnieszka" sort="Tulodziecka, Agnieszka" uniqKey="Tulodziecka A" first="Agnieszka" last="Tułodziecka">Agnieszka Tułodziecka</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, 87-100 Toruń, Poland</nlm:aff><country xml:lang="fr">Pologne</country><wicri:regionArea>Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, 87-100 Toruń</wicri:regionArea><wicri:noRegion>87-100 Toruń</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">25431498</idno><idno type="pmc">4239784</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4239784</idno><idno type="RBID">PMC:4239784</idno><idno type="doi">10.1007/s11746-014-2557-4</idno><date when="2014">2014</date><idno type="wicri:Area/Pmc/Corpus">000672</idno><idno type="wicri:Area/Pmc/Curation">000671</idno><idno type="wicri:Area/Pmc/Checkpoint">000907</idno><idno type="wicri:Area/Ncbi/Merge">001914</idno><idno type="wicri:Area/Ncbi/Curation">001914</idno><idno type="wicri:Area/Ncbi/Checkpoint">001914</idno><idno type="wicri:doubleKey">0003-021X:2014:Szydlowska Czerniak A:antioxidant:capacity:of</idno><idno type="wicri:Area/Main/Merge">000C00</idno><idno type="wicri:Area/Main/Curation">000B97</idno><idno type="wicri:Area/Main/Exploration">000B97</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Antioxidant Capacity of Rapeseed Extracts Obtained by Conventional and Ultrasound-Assisted Extraction</title><author><name sortKey="Szydlowska Czerniak, Aleksandra" sort="Szydlowska Czerniak, Aleksandra" uniqKey="Szydlowska Czerniak A" first="Aleksandra" last="Szydłowska-Czerniak">Aleksandra Szydłowska-Czerniak</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, 87-100 Toruń, Poland</nlm:aff><country xml:lang="fr">Pologne</country><wicri:regionArea>Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, 87-100 Toruń</wicri:regionArea><wicri:noRegion>87-100 Toruń</wicri:noRegion></affiliation></author><author><name sortKey="Tulodziecka, Agnieszka" sort="Tulodziecka, Agnieszka" uniqKey="Tulodziecka A" first="Agnieszka" last="Tułodziecka">Agnieszka Tułodziecka</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, 87-100 Toruń, Poland</nlm:aff><country xml:lang="fr">Pologne</country><wicri:regionArea>Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, 87-100 Toruń</wicri:regionArea><wicri:noRegion>87-100 Toruń</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of the American Oil Chemists' Society</title><idno type="ISSN">0003-021X</idno><idno type="eISSN">1558-9331</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Ultrasound-assisted extraction (UAE) and conventional solid–liquid extraction were applied to extract total antioxidants from two rapeseed varieties. The antioxidant capacities (AC) of winter and spring rapeseed cultivars were determined by four different analytical methods: ferric reducing antioxidant power (FRAP), cupric reducing antioxidant capacity (CUPRAC), 2,2′-diphenyl-1-picrylhydrazyl (DPPH), 2,2′-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS). The average AC of the studied rapeseed cultivars ranged between 4.21–10.03 mmol Trolox (TE)/100 g, 7.82–10.61 mmol TE/100 g, 8.11–51.59 mmol TE/100 g, 22.48–43.13 mmol TE/100 g for FRAP, CUPRAC, DPPH and ABTS methods, respectively. There are positive correlations between total phenolics (TPC = 804–1625 mg sinapic acid (SA)/100 g) and AC of the studied rapeseed extracts (<italic>r</italic> = 0.2650–0.9931). Results of the principal component analysis (PCA) indicate that there are differences between the total amounts of antioxidants in rapeseed samples extracted by different extraction techniques. Rapeseed extracts obtained after 18 min of ultrasonication revealed the highest content of total antioxidants. The UAE is a very useful, efficient and rapid technique of oilseed samples preparation for determination of AC by different analytical methods.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Friedt, W" uniqKey="Friedt W">W Friedt</name></author><author><name sortKey="Snowdon, R" uniqKey="Snowdon R">R Snowdon</name></author><author><name sortKey="Ordon, F" uniqKey="Ordon F">F Ordon</name></author><author><name sortKey="Ahlemeyer, J" uniqKey="Ahlemeyer J">J Ahlemeyer</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Gomez, Nv" uniqKey="Gomez N">NV Gomez</name></author><author><name sortKey="Miralles, Dj" uniqKey="Miralles D">DJ Miralles</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Frolov, A" uniqKey="Frolov A">A Frolov</name></author><author><name sortKey="Henning, A" uniqKey="Henning A">A Henning</name></author><author><name sortKey="Bottcher, Ch" 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