Oxygen Radical Absorbance Capacity

CALDWELL c R (2001) Oxygen radical absorbance capacity of the phenolic compounds in plant extracts fractionated by high-performance liquid chromatography, ,4Biochem, 293, 232-8. 

CAO G, ALESSio H M and CUTLER R G (1993) Oxygen-radical absorbance capacity assay for antioxidants, Free Rad Biol Med, 14, 303-11. 

GUO c, CAO G, SOFIC E and PRIOR R L (1997) High-performance liquid Chromatography coupled with coulometric array detection of electroactive components in fruits and vegetables Relationship to oxygen radical absorbance capacity, J Agric Food Chem, 45, 1787-96. 

Wang S Y and Lin H S (2003), Compost as a soil supplement increases the level of antioxidant compounds and oxygen radical absorbance capacity in strawberries , J Agric Food Chem, 51, 6844—6850. 

ABTS 2,2,-Azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) dm dry matter n.d. not detected ORAC oxygen radical absorbance capacity. 

ORAC Assay (Oxygen-Radical Absorbance Capacity)... 

Cao G, Verdon CP, Wu AHB, Wang H and Prior RL. 1995. Automated assay of oxygen radical absorbance capacity with the COBAS FARAII. Clin Chem 41 (12) 1738—1744. 

Davalos A, Gomez-Cordoves C and Bartolome B. 2004. Extending applicability of the oxygen radical absorbance capacity (ORAC-Fluorescein) assay. J Agric Food Chem 52(l) 48-54. 

Ehlenfeldt MK and Prior RL. 2001. Oxygen radical absorbance capacity (ORAC) and phenolic and antho-cyanin concentrations in fruit and leaf tissues of highbush blueberry. J Agric Food Chem 49(5) 2222— 2227. 

Huang D, Ou B, Hampsch-Woodill M, Flanagan JA and Deemer EK. 2002. Development and validation of oxygen radical absorbance capacity assay for lipophilic antioxidants using randomly methylated (3-cyclodextrin as the solubility enhancer. J Agric Food Chem 50(7) 1815-1821. 

Ou B, ffampsch-Woodill M and Prior RL. 2001. Development and validation of an improved oxygen radical absorbance capacity assay using fluorescein as the fluorescent probe. J Agric Food Chem 49(10) 4619—4626. 

Prior RL, Hoang H, Gu L, Wu X, Bacchiocca M, Howard L, Hampsch-Woodill M, Huang D, Ou B and Jacob R. 2003. Assays for hydrophilic and lipophilic antioxidant capacity (oxygen radical absorbance capacity (ORACfl)) of plasma and other biological and food samples. J Agric Food Chem 51(ll) 3273-3279. 

Zheng W and Wang SY. 2003. Oxygen radical absorbing capacity of phenolics in blueberries, cranberries, chokeberries, and lingonberries. J Agric Food Chem 51 (2) 502—509. 

Lin, Y. L., I. M. Juan, Y. L. Chen, Y. C. Liang and J. K. Lin. Composition of polyphenols in fresh tea leaves and associations of their oxygen-radical-absorbing capacity with antiproliferative actions in fibroblast cells. J Agr Food Chem 1996 44(6) 1387-1394. Davis, A. L., Y. Cai, A. P. Davies and J. R. Lewie. H and NMR assignments of some green tea polyphenols. Magn Reson Chem 1996 34(11) 887-890. 

Lin, Y.L. et ah, Composition of polyphenols in fresh tea leaves and associations of their oxygen-radical-absorbing capacity with antiproliferative actions in fibroblast cells, J. Agric. Food Chem., 44, 1387, 1996. 

Ou B, Hampsch-Woodill M, Prior RL. Development and Validation of an Improved Oxygen Radical Absorbance Capacity Assay Using Huorescein as the Fluorescent Probe. Journal of Agricultural and Food Chemistry. 2001 49 4619-4626. 

Wang, H., Cao, G., and Prior, R.L., 1997. Oxygen radical absorbing capacity of anthocyanins. J. Agric. Food Chem. 45 304-309... 

Oxygen radical absorbency capacity (ORAC) method presumes registration of substrate (B-phycoerythrin or fluorescein) fluorescence [43,44] after reaction with AOC in the sample to be compared with reference template. Trolox is used as a standard to determine per-oxyl radicals and gallic acid to determine hydroxyl radicals. 

Handelman et al. (1999) treated milled oat groat pearlings, trichomes, flour, and bran with methanol and tested the fractions for antioxidant capacity against low-density lipoprotein (LDL) oxidation and R-phycoerythrin protein oxidation in the oxygen radical absorbance capacity... 

Handelman, G.J. et al., Antioxidant capacity of oat (Avena sativa L.) extracts 1. Inhibition of low-density lipoprotein oxidation and oxygen radical absorbance capacity, J. Agric. Food Chem., 47, 4888M893, 1999. 

TAC assays referred to as oxygen-radical-absorbing capacity (ORAC) are based on the bleaching of fluorescence of R- or /3-phycoerythrin (C6, Cl5, G5, G10)... 

TRAP, Total peroxyl-radical-trapping antioxidant capability of plasma TEAC, Trolox equivalent antioxidant capacity FRAP, ferric-reducing activity of plasma ORAC, oxygen-radical-absorbing capacity PCA, perchloric acid-soluble fraction ABAP, 2,2 -azobis(2-amidoproane). 

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