capacity plant antioxidant

  • Bioactive components and antioxidant capacity of Chinese ...

    Antioxidant capacity determined by both the ferric reducing antioxidant power (FRAP) assay and 2,2-diphenyl-2-picrylhydrazyl (DPPH.) radical scavenging capacity was significantly correlated with the antioxidant components in the fruit, and directly related to fruit color. Cy-3-glu accounted for at least 82, 38, and 12% of the total antioxidant ...

  • USDA Database for the Oxygen Radical Absorbance Capacity ... · PDF file

    This table of ORAC values will provide the user with a listing of antioxidant capacity as measured by the oxygen radical absorbance capacity method for a number of food items. When used in tandem with the Special Interest Tables of bioactive phytochemicals developed by NDL, the user can assess the various sources of antioxidants in the food supply.

  • Antioxidant Activity/Capacity Measurement. 1 ... · PDF file

    biological fluids, it is desirable to establish and standardize methods that can measure the total antioxidant capacity (TAC) level directly from plant-based food extracts and biological fluids. In this review, we (i) present and classify the widely used analytical

  • Evaluation of antioxidant capacity of 13 plant extracts by ...

    19/08/2015 · Evaluation of antioxidant capacity of 13 plant extracts by three different methods: cluster analyses applied for selection of the natural extracts with higher antioxidant capacity to replace synthetic antioxidant in lamb burgers

    Cited by: 63
  • Screening of 70 medicinal plant extracts for antioxidant ...

    The total phenolic content and related total antioxidant capacity of 70 medicinal plant infusions was analyzed. Infusions were prepared in common way in which teas are prepared for human consumption.

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  • Antioxidant effect of polyphenols and natural phenols ...

    The Oxygen Radical Absorbance Capacity (ORAC) test is a laboratory indicator of antioxidant potential in foods and dietary supplements. However, ORAC results cannot be confirmed to be physiologically applicable and have been designated as unreliable. Practical aspects of dietary polyphenols

  • Effects of heat treatments on antioxidant capacity and ... · PDF file

    capacities and total phenolic content in all cultivars. 'Muang Lot Fai' had the highest antioxidant capacity and total phenolic content of the four cultivars examined. A highly positive correlation for each heat treatment was found between antioxidant capacity and total phenolic content.

  • Total Antioxidant Capacity of Plant Foods, Beverages and ...Abstract
  • (PDF) Methods for Determining the Antioxidant Activity: A ...

    Comparative assessment using different antioxidant evaluation methods strongly suggests that not all the adopted methods are highly related and thereby antioxidant capacity should be evaluated by ...

  • Antioxidant Capacity of Selected Plant Extracts and Their ...

    The antioxidant capacity of the plant extracts was measured by their ability to scavenge free radicals such as (a) DPPH (2,2-diphenyl-1-picrylhydrazyl) and, (b) ABTS (2,2′-azinobis-(3-ethylbenzothiaziline-6- sulfonate). The Folin-Ciocalteu method proved the existence of antioxidants in the aromatic plant extracts. Taking into account the ...

    Cited by: 154
  • (PDF) Antioxidant capacity of vegetables, spices and ...

    Antioxidant capacity of vegetables, spices and dressings relevant to nutrition Article (PDF Available) in British Journal Of Nutrition 93(2):257-66 · March 2005 with 1,493 Reads How we measure ...

  • Antioxidant Capacity Determination in Plants and Plant ...

    The present paper aims at reviewing and commenting on the analytical methods applied to antioxidant and antioxidant capacity assessment in plant-derived products. Aspects related to oxidative stress, reactive oxidative species' influence on key biomolecules, and antioxidant benefits and modalities of action are discussed. Also, the oxidant-antioxidant balance is critically discussed.

    Cited by: 33
  • Standardized Methods for the Determination of Antioxidant ... · PDF file

    Standardized Methods for the Determination of Antioxidant Capacity and Phenolics in Foods and Dietary Supplements RONALD L. PRIOR,*,† XIANLI WU,† AND KAREN SCHAICH§ U.S. Department of Agriculture, Arkansas Children's Nutrition Center, 1120 Marshall Street,

  • Canadian Journal of Plant Science

    07/11/2012 · Short Communication: Haskap (Lonicera caerulea): A new berry crop with high antioxidant capacity. Can. J. Plant Sci. 92: 1311–1317. This study evaluated the antioxidant capacity and total phenolic content as well as total flavonoid content of three haskap (Lonicera caerulea) cultivars, Borealis, Indigo Gem and Tundra, grown in Saskatchewan in comparison with six other commercial fruits using ...

  • Chronocoulometric method for the evaluation of antioxidant ...

    A novel approach for the evaluation of antioxidant capacity of medicinal plant tinctures using one-step chronocoulometry at 1.0 V has been developed. A steady state is achieved at 100 s of electrolysis. The antioxidant capacity has been expressed in quercetin equivalents per 1 mL of tincture.

  • Measurement of total antioxidant capacity | Journal of ...

    The idea of a single measurement of total antioxidant capacity is not a new one. Wayner et al in 1985 described the total radical trapping parameter (TRAP) assay, based on the generation of peroxyl radicals from 2,2`-azobis (2-amidinopropane) dihydrochloride (AAPH).2 After adding AAPH to a .

  • Health-promoting phytochemicals and antioxidant capacity ...

    30/12/2019 · The plant antioxidant capacity is reflected by the synergetic effect of ple antioxidants. Our results indicate that Chinese kale contains high amounts of main antioxidants and has high ...

  • Solvent polarity mediates phytochemical yield and ...

    The method of extraction, selection of plant parts, and use of appropriate solvent for the extraction greatly influence antioxidant capacity (Musa et al., 2011). In the current study, phosphomolybdate method was adapted to evaluate the impact of solvent polarity on the total antioxidant capacity in four different parts of woad.

  • Polyphenols and antioxidant capacity of Bulgarian ...

    Plant extracts were prepared as herbal teas following the ethnic use. The water-phase TEAC (Trolox equivalent antioxidant capacity) of the teas were compared to that of the famous tea-like beverages mate, rooibos and honeybush, and to that of green and black tea, well known for their high antioxidant potential. The content of total phenolics in ...

    Cited by: 573
  • Rapid measurement of total antioxidant capacity in plants ...

    12/04/2007 · There is growing interest in measuring the antioxidant status of plant tissues. This protocol describes the oxygen radical absorbance capacity (ORAC) assay, which measures antioxidant inhibition ...

  • Significance of Antioxidant Potential of Plants and its ...

    11/06/2015 · In vitro assays. In ethanopharmacological and nutraceutical investigations, in vitro antioxidant activity assessment methods are often used to screen and confer antioxidant potential to plants or their phytochemicals and sometimes to understand the probable mechanism of action of plant antioxidants 62.In the case of medicinal plants, these assays are used to confer free radical .

    Cited by: 346
  • What Is Total Antioxidant Capacity? (with pictures)

    24/10/2019 · Total antioxidant capacity is the term used to describe the ability of antioxidants in different foods to clean harmful free radicals in the blood and cells. Often referred to by the acronym TAC, it takes into account the amount of water-based and fat-based antioxidants present in food. Understanding this figure helps individuals decide which foods offer the greatest antioxidant benefit.

  • Antioxidant Capacity of Anthocyanin Pigments | IntechOpen

    Anthocyanins are a family of natural pigments classified into the group of flavonoids, considered to be responsible for the color and taste of many fruits and vegetables, i.e. berries. Anthocyanins are common components of the human diet. Besides their interest as colorant because of their coloring properties, the study of anthocyanin compounds stems from their wide applicability in the ...

  • Antioxidant capacity and phenolic content of holy basil · PDF file

    Antioxidant capacity and phenolic content of holy basil 1409 Wangcharoen, W. and Morasuk, W. to be significantly high in holy basil (Samudralwar and Garg, 1996). However, there is a great deal of diversity in the composition of holy basil culti-vated in different localities (Kicel et al., 2005). The antioxidant capacity of holy basil was

  • Antioxidant - Wikipedia