ORAC


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ORAC

(ˈɔːræk)
n acronym for
(Medicine) Oxygen Radical Absorbance Capacity: a measure of the ability of a substance, esp the blood, to absorb free radicals, used in determining the antioxidant effects of foods
References in periodicals archive ?
Department of Agriculture (USDA) to remove ORAC values from its website, leaving consumers questioning the true benefits of antioxidants and companies searching for a way to reliably measure antioxidant activity within the human body."
From a stock solution of DMSO, trolox (10 mmol x [L.sup.-1]) was diluted in ORAC buffer solution to a concentration of 20 [micro]mol x [L.sup.-1].
Blogger Orac concludes: "If state right-to-try bills are basically symbolic rants against the FDA, the passage of a federal right-to-try bill would be a disaster for patients and the clinical trial process."
As with the anthocyanin concentrations previously reported, the ORAC values recorded in this study (Figure 4) wines.
The accompanying chart shows berries pack a big antioxidant punch and tend to contain the highest ORAC levels.
With the yield of total flavonoids and the value of ORAC as the index, the ultrasonic power was 300 W, and the ethanol concentration, solid-liquid ratio, extraction time and temperature were changed in turn:
The LOX/RNO and ORAC methods found in quinoa flour a remarkable antioxidant activity in the hydrophilic, lipophilic and free-soluble phenolic extracts-higher than that contained in durum wheat, although lower than that found in emmer hulled wheat.