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Boxin Ou

Researcher at United States Department of Agriculture

Publications -  40
Citations -  15255

Boxin Ou is an academic researcher from United States Department of Agriculture. The author has contributed to research in topics: Oxygen radical absorbance capacity & Antioxidant. The author has an hindex of 27, co-authored 40 publications receiving 13924 citations. Previous affiliations of Boxin Ou include University of Arkansas for Medical Sciences & Kraft Foods.

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Journal ArticleDOI

The Chemistry behind Antioxidant Capacity Assays

TL;DR: This analysis suggests that the total phenols assay by FCR be used to quantify an antioxidant's reducing capacity and the ORAC assay to quantify peroxyl radical scavenging capacity, to comprehensively study different aspects of antioxidants.
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Development and validation of an improved oxygen radical absorbance capacity assay using fluorescein as the fluorescent probe.

TL;DR: The improved ORAC(FL) assay provides a direct measure of hydrophilic chain-breaking antioxidant capacity against peroxyl radical and demonstrates that fluorescein (FL) is superior to B-phycoerythrin.
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High-throughput assay of oxygen radical absorbance capacity (ORAC) using a multichannel liquid handling system coupled with a microplate fluorescence reader in 96-well format.

TL;DR: A high-throughput instrument platform that can fully automate the ORAC assay procedure is developed and the efficiency of the assay is improved with at least a 10-fold increase in sample throughput over the current procedure.
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Assays for hydrophilic and lipophilic antioxidant capacity (oxygen radical absorbance capacity (ORAC(FL))) of plasma and other biological and food samples.

TL;DR: These methods provide, for the first time, the ability to obtain a measure of "total antioxidant capacity" in the protein free plasma, using the same peroxyl radical generator for both lipophilic and hydrophilic antioxidants.
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Analysis of antioxidant activities of common vegetables employing oxygen radical absorbance capacity (ORAC) and ferric reducing antioxidant power (FRAP) assays: a comparative study.

TL;DR: In this article, a total of 927 freeze-dried vegetable samples, including 111 white cabbages, 59 carrots, 51 snap beans, 57 cauliflower, 33 white onions, 48 purple onions, 130 broccoli, 169 tomatoes, 25 beets, 88 peas, 88 spinach, 18 red peppers, and 50 green peppers, were analyzed using the oxygen radical absorption capacity (ORAC) and ferric reducing antioxidant capacity (FRAP) methods.