Results 11 to 20 of about 190,745 (246)

Larix decidua Bark as a Source of Phytoconstituents: An LC-MS Study [PDF]

open access: yes, 2017
Larix decidua bark is a waste of the timber industry and is widely diffused in Northern Italy. This material can be considered a good source of antioxidants and phytoconstituents with possible use in cosmetic or nutraceutical products.
Baldan, Valeria   +8 more
core   +2 more sources

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

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

Seasonal Variation in Leaf Growth and Antioxidant Content of Moringa oleifera Cultivated at Buenos Aires, Argentina [PDF]

open access: yes, 2016
The properties and applications of Moringa oleifera are so vast that it is called the "miracle tree". The objective of this work is to study the seasonal variations in the leaf antioxidant content and the scavenging activity on DPPH radicals in ...
Arena, Miriam Elisabet, Radice, Silvia
core   +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

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

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

YBCO microwave resonators for strong collective coupling with spin ensembles [PDF]

open access: yes, 2015
Coplanar microwave resonators made of 330 nm-thick superconducting YBCO have been realized and characterized in a wide temperature ($T$, 2-100 K) and magnetic field ($B$, 0-7 T) range.
A. Cassinese   +8 more
core   +2 more sources

Study of the local field distribution on a single-molecule magnet-by a single paramagnetic crystal; a DPPH crystal on the surface of an Mn12-acetate crystal [PDF]

open access: yes, 2011
The local magnetic field distribution on the subsurface of a single-molecule magnet crystal, SMM, above blocking temperature (T >> Tb) detected for a very short time interval (~ 10-10 s), has been investigated.
Boris Rakvin   +5 more
core   +2 more sources

EVALUATION OF THE ANTIOXIDANT ACTIVITY OF THE FLAVONOIDS ISOLATED FROM HELIOTROPIUM SINUATUM RESIN USING ORACFL, DPPH AND ESR METHODOLOGIES [PDF]

open access: yes, 2016
Indexación: Web of Science; Scielo.The antioxidant capacity has been determined for a number of flavonoid compounds from Heliotropium sinuatum, a plant that grows in arid areas in the north of Chile.
Barriga-Gonzalez, G   +4 more
core   +1 more source

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