Results 11 to 20 of about 183,863 (245)

Estimation of the total antioxidant potential in the meat samples using thin-layer chromatography

open access: yesOpen Chemistry, 2020
There is limited literature on the antioxidative properties of food of animal origin. Measurements of antioxidative properties are usually performed using the reaction of reduction of colored 2,2-diphenyl-1-picrylhydrazyl (DPPH) radials.
Piszcz Paweł   +2 more
doaj   +1 more source

Determination of Antioxidants by DPPH Radical Scavenging Activity and Quantitative Phytochemical Analysis of Ficus religiosa

open access: yesMolecules, 2022
The use of F. religiosa might be beneficial in inflammatory illnesses and can be used for a variety of health conditions. In this article, we studied the identification of antioxidants using (DPPH) 2,2-Diphenyl-1-picrylhydrazylradical scavenging activity
Siddartha Baliyan   +6 more
doaj   +1 more source

Model mass spectrometric study of competitive interactions of antimicrobial bisquaternary ammonium drugs and aspirin with membrane phospholipids [PDF]

open access: yes, 2013
The aim of the study is to reveal molecular mechanisms of possible activity modulation of antimicrobial bis-quaternary ammonium compounds (BQAC) and aspirin (ASP) through noncovalent competitive complexation under their combined introduction into the ...
Gömöry, Ágnes   +3 more
core   +2 more sources

Antioxidant Activity and Discrimination of Organic Apples (Malus domestica Borkh.) Cultivated in the Western Region of Romania: A DPPH· Kinetics–PCA Approach

open access: yesPlants, 2021
Apple (Malus domestica Borkh.) is one of the most used fruit for beverages in Romania. The goal of the study was to evaluate the antioxidant activity and discrimination of various parts of organic and non-organic apple varieties cultivated in the western
Olimpia Alina Iordănescu   +8 more
doaj   +1 more source

Analysis of phytochemicals, minerals and in vitro antioxidant activities of Gongronema latifolium leaves [PDF]

open access: yes, 2017
Gongronema latifolium is primarily used as spice and vegetable as well as a herb in traditional medicine in the treatment of malaria, diabetes and hypertension.
Chinwe, Igwe V., Usunomena, Usunobun
core   +1 more source

ICH Validation of DPPH Assay Method: Some Interesting Medicinal Drugs

open access: yesEurasian Journal of Science and Engineering, 2020
Background and Aim: As part of our antioxidant plants screening project, we conducted a phytochemical study on their antioxidant activity to provide a standard and reliable assessment tool.
Fatiha El Babili   +4 more
doaj   +1 more source

Single crystals of DPPH grown from diethyl ether and carbon disulfide solutions - Crystal structures, IR, EPR and magnetization studies [PDF]

open access: yes, 2010
Single crystals of the free radical 2,2-diphenyl-1-picrylhydrazyl (DPPH) obtained from diethyl ether (ether) and carbon disulfide (CS2) were characterized by the X-ray diffraction, IR, EPR and SQUID magnetization techniques. The X-ray structural analysis
Allen   +35 more
core   +2 more sources

In-vitro antioxidant and anti-inflamatory activities of Pituranthos chloranthus and Artemisia vulgaris from Tunisia [PDF]

open access: yes, 2020
Pituranthos chloranthus and Artemisia vulgaris L. are two of the most important aromatic and medicinal species from the Apiaceae and Asteraceae families, respectively. They are traditionally used in certain pathologies in which inflammatory processes are
AAZZA, Smail   +3 more
core   +1 more source

Demonstration of a 1/4 cycle phase shift in the radiation-induced oscillatory-magnetoresistance in GaAs/AlGaAs devices [PDF]

open access: yes, 2004
We examine the phase and the period of the radiation-induced oscillatory-magnetoresistance in GaAs/AlGaAs devices utilizing in-situ magnetic field calibration by Electron Spin Resonance of DiPhenyl-Picryl-Hydrazal. The results confirm a $f$-independent 1/
J. H. Smet   +12 more
core   +3 more sources

Determination of DPPH Radical Oxidation Caused by Methanolic Extracts of Some Microalgal Species by Linear Regression Analysis of Spectrophotometric Measurements

open access: yesSensors, 2007
The demonstrated modified spectrophotometric method makes use of the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical and its specific absorbance properties. Theabsorbance decreases when the radical is reduced by antioxidants.
Ulf-Peter Hansen   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy