Buscar
Mostrando ítems 1-10 de 7541
A comparison of methods employed to evaluate antioxidant capabilities
(Sociedad de Biología de Chile, 2000)
Electrochemical determination of the antioxidant capacity: The ceric reducing/antioxidant capacity (CRAC) assay
(WILEY-BLACKWELL, 2008)
The CRAC assay is a direct electron transfer test of antioxidant capacity for several organic compounds. The ability of eight different compounds in reducing Cc 41 was studied by chronoamperometric measurements of the ...
DETERMINATION OF NARINGIN AND HESPERIDIN IN CITRUS FRUIT BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY. THE ANTIOXIDANT POTENTIAL OF CITRUS FRUIT
(2012-11-25)
Naringin and hesperidin in dimethyl sulfoxide extracts of citrus fruit (oranges, red and blond grapefruit, and sweeties- a hybrid of pummelo and blond grapefruit) have been analyzed by high-perfonnance liquid chro matography ...
In vitro methods to determine the antioxidant activity of caffeic acid
(2019-08-05)
Caffeic acid (CA) is a plant metabolite acting as a carcinogenic inhibitor, and exhibits a high antioxidant effect and some antimicrobial activity. Besides, this compound can be useful in the prevention of heart diseases ...
Controlling asphalt aging by inclusion of byproducts from red wine industry
(ELSEVIER SCI LTD, 2012)
Worldwide around 95% of pavements contain Asphalt Binder (AB). Mainly, due to oxidation process, asphalt hardens and increases the pavement susceptibility to cracking. On the other hand, wine industry generates almost ten ...
DETERMINATION of ANTIOXIDANT CAPACITY (ORAC) of GREIGIA SPHACELATA and CORRELATION with VOLTAMMETRIC METHODS
(Sociedad Chilena de Quimica, 2020-09)
The study and determination of the antioxidant capacity of the Greigia Sphacelata fruit were carried out. G. sphacelata is an endemic fruit of central-southern Chile, better known as Chupón or Quiscal. Spectrophotometric ...
Rat kidney antioxidant response to long-term exposure to flavonol rich red wine
(2002)
This study evaluated the antioxidant defense system of the rat kidney following chronic exposure to red wine rich in flavonols. Both ethanol and antioxidant non-alcoholic wine components, mainly polyphenols, could contribute ...
Characterization of antioxidant compounds i n Jaffa sweeties and white grapefruits
(2012-11-25)
Antioxidant compounds and the antioxidative activities of new Israeli citrus fruit sweetie [(Oroblanco, pummelo-grapefruit hybrid (Citrus grandisx C. paradisi)J were compared with the better-known white grapefruit. ...
Curcumin antifungal and antioxidant activities are increased in the presence of ascorbic acid
(Elsevier B.V., 2012-08-01)
The objective of this study was to evaluate the antifungal and antioxidant activities of curcumin, ascorbic acid and the mixture of these two compounds. For the antifungal assay, the minimum inhibitory concentrations (MIC) ...
Validation of an alternative analytical method for the quantification of antioxidant activity in plant extracts
(2013-04-15)
SUMMARY. A new method was developed to evaluate the total antioxidant activity in plant extracts, which was based on radical scavenging using 2,2'-azinobis-(3-ethylbenzothiazoline)-6-sulfonic acid. The proposed method was ...