Results 21 to 30 of about 13,956 (216)

Extending Applicability of the Oxygen Radical Absorbance Capacity (ORAC−Fluorescein) Assay

open access: yesJournal of Agricultural and Food Chemistry, 2004
The ORAC-fluorescein (ORAC−FL) method recently validated using automatic liquid handling systems has now been adapted to manual handling and using a conventional fluorescence microplate reader. As calculated for Trolox, the precision of the method was
Begoña Bartolomé   +5 more
core   +4 more sources

Antioxidant capacity of hydrophilic food matrices: optimization and validation of ORAC assay.

open access: yesFood Analytical Methods, 2014
peer reviewedIt is widely accepted that ORAC is a useful method for assessing food extracts that contain various antioxidants. The principal aim of this study was to validate the ORAC assay. We first identified parameters that can interfere with the ORAC
Sipel, Arnaud   +3 more
core   +2 more sources

Comparison of the polyphenol content and in vitro antioxidant capacity of fruit-based nutritional supplements commonly consumed by athletic and recreationally active populations

open access: yesJournal of the International Society of Sports Nutrition, 2022
Background Polyphenol-rich fruit supplements are commonly consumed by recreationally active and athletic populations because of their proposed benefits to both exercise performance and recovery from prior exercise.
Lee Rickards   +4 more
doaj   +1 more source

Evaluation of Antioxidant Activity of Cinnamomum glanduliferum Leaf Oil Using Several In-vitro Assays

open access: yesArchives of Pharmaceutical Sciences Ain Shams University, 2023
Numerous species of genus Cinnamomum have been utilized in traditional medicine for their diverse range of health benefits. One of the key properties of cinnamon that has gained significant attention in recent years is its antioxidant activity.
Gina A. Zakaria   +3 more
doaj   +1 more source

Nutritional Quality and Nutraceutical Potential of Fruits and Vegetables as a tool for Genetic Breeding Programs

open access: yesAgrociencia Uruguay, 2022
Prevention of the development of chronic diseases related to metabolic syndrome has been found to depend on a healthy diet. Among healthy foods, fruits and vegetables play a very important role due to their nutrient content, especially antioxidants ...
Virginia Ferrari   +6 more
doaj   +1 more source

Improvement of the Flavanol Profile and the Antioxidant Capacity of Chocolate Using a Phenolic Rich Cocoa Powder

open access: yesFoods, 2020
Chocolate is made from cocoa, which is rich in (poly)phenols that have a high antioxidant capacity and are associated with the prevention of chronic diseases.
Rocío González-Barrio   +4 more
doaj   +1 more source

Promoting and updating food frequency questionnaire tool to measure food consumption and nutrient intake analysis

open access: yesInternational Journal of Preventive Medicine, 2021
Background: One of the problems that nutritionists have always faced in research projects is the analysis of food intake of the subjects. Various approaches have been proposed in which the use of food frequency is one of the most used in this field. Many
Zahra Madani   +3 more
doaj   +1 more source

Antioxidative Capacity of Soyfoods and Soy Active Compounds

open access: yesPolish Journal of Food and Nutrition Sciences, 2022
Soyfood isoflavones and soyasaponins are effective compounds in terms of their health-promoting properties. Their chemical structure plays an important role in their antioxidative activity. Thus, six isoflavones and four soyasaponins that are targeted in
Wanida Tewaruth Chitisankul   +2 more
doaj   +1 more source

Antioxidant activity of red beet juices obtained after microwave and thermal pretreatments

open access: yesCzech Journal of Food Sciences, 2013
Pressed juices and water extracts from untreated, microwave pretreated, and thermally treated red beet were obtained. The highest total betalain content - 606.34 mg/100 g dry matter (DM) was found in pressed juice obtained after microwave pretreatment ...
Anton Slavov   +4 more
doaj   +1 more source

Antioxidant assays - consistent findings from FRAP and ORAC reveal a negative impact of organic cultivation on antioxidant potential in spinach but not watercress or rocket leaves [PDF]

open access: yes, 2013
Watercress (Rorippa nasturtium-aquaticum), wild rocket (Diplotaxis tenuifolia), and spinach (Spinacia oleracea) are commercial crops reported to have high concentrations of antioxidants, possibly contributing to disease prevention following human ...
Mazzer, Alice   +5 more
core   +1 more source

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