Method validation by interlaboratory studies of improved hydrophilic oxygen radical absorbance capacity methods for the determination of antioxidant capacities of …

J Watanabe, T Oki, J Takebayashi, K Yamasaki… - Analytical …, 2012 - Springer
Hydrophilic oxygen radical absorbance capacity (H-ORAC) is a method for evaluating
antioxidant capacities of solutions of hydrophilic compounds. In this study, we improved the …

Improvement of the lipophilic-oxygen radical absorbance capacity (L-ORAC) method and single-laboratory validation

J Watanabe, T Oki, J Takebayashi… - Bioscience …, 2013 - jstage.jst.go.jp
We improved the procedure for lipophilic-oxygen radical absorbance capacity (L-ORAC)
measurement for better repeatability and intermediate precision. A sealing film was placed …

Review of methods to determine antioxidant capacities

A Karadag, B Ozcelik, S Saner - Food analytical methods, 2009 - Springer
Antioxidant capacity is related with compounds capable of protecting a biological system
against the potentially harmful effect of processes or reactions involving reactive oxygen and …

Application of a microplate-based ORAC-pyrogallol red assay for the estimation of antioxidant capacity: first action 2012.03

R Ortiz, M Antilén, H Speisky, ME Aliaga… - Journal of AOAC …, 2012 - academic.oup.com
A method was developed for microplate-based oxygen radicals absorbance capacity
(ORAC) using pyrogallol red (PGR) as probe (ORAC-PGR). The method was evaluated for …

Determination of antioxidative capacities using an enhanced total oxidant scavenging capacity (TOSC) assay

R Lichtenthäler, F Marx, O Kind - European Food Research and …, 2003 - Springer
The antioxidant capacities of nine standard compounds (ascorbic acid, benzoic acid,(+)-
catechin, cyanidin-3-glucoside, cyanidin-3-rutinoside,(–)-epicatechin, protocatechuic acid …

The additive properties of Oxygen Radical Absorbance Capacity (ORAC) assay: The case of essential oils

K Bentayeb, P Vera, C Rubio, C Nerín - Food chemistry, 2014 - Elsevier
The ORAC assay is applied to measure the antioxidant capacity of foods or dietary
supplements. Sometimes, the manufacturers claim antioxidant capacities that may not …

Determination of total antioxidant capacity by oxygen radical absorbance capacity (ORAC) using fluorescein as the fluorescence probe: First action 2012.23

B Ou, T Chang, D Huang, RL Prior - Journal of AOAC …, 2013 - academic.oup.com
An improved method for the measurement of oxygen radical absorbance capacity (ORAC)
was developed and validated using fluorescein (3′, 6′-dihydroxyspiro [isobenzofuran-1 …

Development of a database for total antioxidant capacity in foods: a preliminary study

X Wu, L Gu, J Holden, DB Haytowitz… - Journal of Food …, 2004 - Elsevier
For the first time, a database of the antioxidant capacities of both the lipophilic and
hydrophilic components of foods has been developed using the modified oxygen radical …

Application of manual assessment of oxygen radical absorbent capacity (ORAC) for use in high throughput assay of “total” antioxidant activity of drugs and natural …

JA Price, CG Sanny, D Shevlin - Journal of Pharmacological and …, 2006 - Elsevier
INTRODUCTION: Antioxidants are of particular interest in a spectrum of diseases, and thus
are an active area of drug discovery and design. It is important to make considered choices …

High-throughput assay of oxygen radical absorbance capacity (ORAC) using a multichannel liquid handling system coupled with a microplate fluorescence reader in …

D Huang, B Ou, M Hampsch-Woodill… - Journal of agricultural …, 2002 - ACS Publications
The oxygen radical absorbance capacity (ORAC) assay has been widely accepted as a
standard tool to measure the antioxidant activity in the nutraceutical, pharmaceutical, and …