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2010 | 52 | 1 |

Tytuł artykułu

Antioxidant activity of flavonoids of different polarity, assayed by modified ABTS cation radical decolorization and EPR technique

Treść / Zawartość

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Modified ABTS cation radical decolorization assay and EPR technique were applied to screen the antioxidant activity of three flavonoids with different polarity: 7-O-β-[2-O-feruloyl-β-glucuronopyranosyl (1→2) glucuronopyranoside] (tricine), 4'-methoxy-5,7-dihydroxyflavone 6-C-β-glucopyranoside (isocytisoside) and I 3' II 8 biapigenine (amentoflavone), with nonpolar all-trans β-carotene used as standard carotenoid molecule. The ABTS [2,2'- azino-bis(3-ethylbenzthiazoline-6-sulphonic acid] cation radical decolorization assay was modified as follows: (1) measurements extended up to 8 days after preparation, (2) method adapted for flavonoids with different polarity and β-carotene, (3) concentrations in the 0.01-10 μM range of both trolox and antioxidants in order to use the same experimental conditions for both this technique and EPR measurement.

Wydawca

-

Rocznik

Tom

52

Numer

1

Opis fizyczny

p.97-104,fig.,ref.

Twórcy

autor
  • Poznan University of Technology, Nieszawska 13A, 60-695 Poznan, Poland
autor
autor
autor
autor

Bibliografia

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Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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