Development and validation of oxygen radical absorbance capacity assay for lipophilic antioxidants using randomly methylated β-cyclodextrin as the solubility …

D Huang, B Ou, M Hampsch-Woodill… - Journal of agricultural …, 2002 - ACS Publications
We recently reported the improved oxygen radical absorbance capacity (ORAC) assay using
fluorescein (FL) as the fluorescent probe. The current ORACFL assay is limited in …

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 and validation of an improved oxygen radical absorbance capacity assay using fluorescein as the fluorescent probe

B Ou, M Hampsch-Woodill, RL Prior - Journal of agricultural and …, 2001 - ACS Publications
An improved method of oxygen radical absorbance capacity (ORAC) assay has been
developed and validated using fluorescein (3 ', 6 '-dihydroxyspiro [isobenzofuran-1 [3 H], 9 …

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 …

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 …

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 …

Simultaneous total antioxidant capacity assay of lipophilic and hydrophilic antioxidants in the same acetone–water solution containing 2% methyl-β-cyclodextrin using …

M Özyürek, B Bektaşoğlu, K Güçlü, N Güngör… - Analytica chimica …, 2008 - Elsevier
Antioxidants are health beneficial compounds that can protect cells from the damage caused
by unstable molecules known as reactive oxygen species (ROS). This work reports the …

Extending applicability of the oxygen radical absorbance capacity (ORAC− fluorescein) assay

A Dávalos, C Gómez-Cordovés… - Journal of agricultural …, 2004 - ACS Publications
The ORAC-fluorescein (ORAC− FL) method recently validated using automatic liquid
handling systems has now been adapted to manual handling and using a conventional …

Lipophilic and hydrophilic antioxidant capacities of common foods in the United States

X Wu, GR Beecher, JM Holden… - Journal of agricultural …, 2004 - ACS Publications
Both lipophilic and hydrophilic antioxidant capacities were determined using the oxygen
radical absorbance capacity (ORACFL) assay with fluorescein as the fluorescent probe and …

ORAC-fluorescein assay to determine the oxygen radical absorbance capacity of resveratrol complexed in cyclodextrins

C Lucas-Abellán, MT Mercader-Ros… - Journal of agricultural …, 2008 - ACS Publications
The effect of the complexation of resveratrol with hydroxypropyl-β-cyclodextrins (HP-β-CDs)
on the antioxidant capacity of the polyphenol is studied for the first time by means of the …