Data · collection · 2015
Comparative study on the antioxidant activities of extracts of Coreopsis tinctoria flowering tops from Kunlun Mountains, Xinjiang, north-western China
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Coreopsis tinctoria flowering tops (CTFs) from the Kunlun Mountains in Xinjing (north-western China) have been used for tea production for about a century.
Description
This study aims to assess the antioxidant activities and total phenolic, flavonoid and proanthocyanidin contents of various solvent extracts of CTF. CTF was extracted using n -hexane, chloroform, ethyl acetate, n -butanol, 75% aqueous ethanol (AEE) and water.
The antioxidant activities of the CTF extracts were investigated through DPPH, ABTS,
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- OH,
- O 2 − , total antioxidant capacity and reducing power assays. The results showed that n -butanol extract showed the highest contents of total phenols and flavonoids, with DPPH, ABTS and
- OH radical-scavenging activities with IC 50 values of 134, 90.72 and 13.8 μg mL − 1 , respectively. The AEE demonstrated the strongest DPPH and ABTS radical-scavenging activities, with IC 50 values of 103 and 75.16 μg mL − 1 , respectively. Given its high antioxidant effect, CTF is a good source of natural antioxidants or functional food materials.
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- Repository landing page tandf.figshare.com/collections/Comparative_study_on_the_antioxidant_activities_of… ↗
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landing page · from DataCite
- DOI doi.org/10.6084/m9.figshare.c.2042348 ↗
DOI / persistent id · from DataCite
- DOI doi.org/10.6084/m9.figshare.c.2042348.v1 ↗
DOI / persistent id · from DataCite
Documentation and papers
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Topics
- Stated by source
- Biological sciences · Biological sciences · Sociology · Sociology
- From keywords
- Cancer · Cancer · Chemistry · Chemistry · Ecology · Life Sciences · Life Sciences · Research, science and technology policy · Social Science · Social Science · Sociology
Provenance · 2 source records, 19 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| DataCite | 10.6084/m9.figshare.c.2042348 | 12 d ago | JSON v1 |
| DataCite | 10.6084/m9.figshare.c.2042348.v1 | 12 d ago | JSON v1 |
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|---|---|---|---|
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| concepts[disease].local:disease:cancer | mapping · DataCite | vocabulary-mapper@1.0.0 | keywords['Cancer'] |
| concepts[field].fos:biological-sciences | source · DataCite | connector:datacite@1.0.0 | |
| concepts[field].fos:biological-sciences | source · DataCite | connector:datacite@1.0.0 | |
| concepts[field].fos:sociology | source · DataCite | connector:datacite@1.0.0 | |
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| concepts[field].local:field:chemistry | mapping · DataCite | vocabulary-mapper@1.0.0 | keywords['Chemistry'] |
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| concepts[field].local:field:life-sciences | mapping · DataCite | vocabulary-mapper@1.0.0 | keywords['Biological Sciences'] |
| concepts[field].local:field:social-science | mapping · DataCite | vocabulary-mapper@1.0.0 | keywords['Sociology'] |
| concepts[field].local:field:social-science | mapping · DataCite | vocabulary-mapper@1.0.0 | keywords['Sociology'] |
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