نتایج جستجو برای: frap assay

تعداد نتایج: 224415  

Journal: :Agronomy 2021

Most of the biological properties myrtle (Myrtus communis L.) are linked to antioxidant activity phenolic compounds present in extracts. In this study, content total phenols, tannins, and anthocyanins acidified ethanol extracts berries leaves five cultivars was quantified during whole fruit development. some development stages, (AA) both tissues evaluated with FRAP, ABTS, DPPH, ?-carotene assay...

Journal: :Pakistan biomedical journal 2022

Liver is a vital organ of human body performing variety functions. In addition, maintenance antioxidant system also considered important. Objective: To observe the impact high volume and intensity exercise on blood redox state enzymatic function liver. It was comparative cross-sectional study conducted from January 2017 to Jan 2018 at Gomal University, Dera Ismail Khan Pakistan Methods: An obse...

2009
Miroslav Pohanka Hana Bandouchova Jakub Sobotka Jana Sedlackova Ivana Soukupova Jiri Pikula

The purpose of the present study was to employ two methods-square wave voltammetry (SWV) performed on screen printed sensors and ferric reducing antioxidant power (FRAP)-as suitable tools for the assay of low-molecular-weight antioxidants (LMWAs). LMWAs were assayed by both methods and the resulting data were statistically compared. Plasma samples from five Cinereous vultures accidentally intox...

Journal: :Journal of Experimental Biology and Agricultural Sciences 2023

Euphorbia milii Des Moul is a deciduous bush indigenous to Madagascar. The present study aims investigate the presence of phytochemical, in-vitro antioxidant and antimicrobial potency, in-silico computational analysis ethanolic aqueous preparations E. leaves flowers. extracts were tested for activity by DPPH, H2O2, TAC, FRAP assay. In addition, potentials assayed agar well diffusion technique a...

2014
S. G. Jaiswal M. Patel D. K. Saxena

Accepted: 08/06/2014 Abstract Six variety of betel leaf from different domain of India were extracted using five solvents in order to determine the effect of solvent and changing variety on total phenol content and antioxidant activity. Antioxidant activity was determined using DPPH, ABTS, FRAP, PCL (Photochemluminiscence) assay. However 80% methanol for TPC, 80% ethanol followed by 80% methano...

Journal: :Journal of Natural Remedies 2023

The objective of this study was the assessment antioxidant and cytotoxic activity from Tanacetum dolicophyllum. Soxhlet extraction has been used for preparing plant extracts which five solvents have used, i.e., Petroleum ether, benzene, ethyl acetate, ethanol, water. Proteins, tannins, phlobatannins, amino acids, carbohydrates, alkaloids, steroids, flavonoids, glycosides, cardiac phenols were d...

Journal: :IOP conference series 2022

Abstract Sea cucumber was a marine invertebrate from class Holothuroidea and phylum Echinoderm that possessed various bioactive compounds. This study aimed to estimate the antioxidant properties of sea cucumbers evaluate their ability. Ferric Reducing Antioxidant Power (FRAP) Cupric Capacity (CUPRAC) assay estimated cucumbers, for control, ascorbic acid Trolox were used. The samples dried Holot...

Journal: :Magnesium research 2009
Ewa Brucka-Jastrzebska Dorota Kawczuga Agnieszka Grzelak Grzegorz Bartosz

The present study was aimed at evaluating magnesium content, ferric reducing antioxidant power (FRAP) and lipid peroxidation in selected tissues of rainbow trout during their development. For mineral and biochemical assay, samples of liver, kidney, gills and blood were taken from fish. Magnesium concentration ranged between 35.5 and 249.2 mg·kg⁻¹ wt/wt. Most magnesium was found in the gills and...

Journal: :Molecules 2011
Darko Duplancic Lea Kukoc-Modun Darko Modun Njegomir Radic

Determination of the relative contribution of uric acid level increases to the total measured antioxidative activity could be very useful for testing antioxidative products and their effect on human health. The aim of this report is to present a simple spectrophotometric method that combines the measurement of total antioxidative capacity of a sample by ferric reducing/antioxidative power (FRAP...

Journal: :The American journal of clinical nutrition 2010
Elizabeth E Devore Jae Hee Kang Meir J Stampfer Francine Grodstein

BACKGROUND Epidemiologic evidence on the association of individual antioxidant vitamins and cognition is inconsistent. OBJECTIVE We evaluated the total antioxidant capacity of diets on the basis of the ferric-reducing antioxidant power (FRAP) assay in relation to cognition in older women. DESIGN Starting in 1995, we used a telephone-based cognitive assessment to evaluate cognitive function ...

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