Results 61 to 70 of about 6,112 (129)

Penetapan Kadar Flavonoid dan Kapasitas Antioksidan Ekstrak Etanol Kulit Batang Kelor (Moringa oleifera) dengan Metode DPPH, CUPRAC, FRAP [PDF]

, 2017
Tumbuhan kelor (Moringa oleifera L.) sering disebut “miracle tree” dikarenakan semua bagian tumbuhan kelor sangat bermanfaat bagi kehidupan masyarakat. mulai dari daun, kulit batang, biji hingga akarnya, tumbuhan ini sudah dikenal luas sebagai tumbuhan ...
Munadiah, Munadiah
core   +1 more source

Evaluation of the copper(II) reduction assay using bathocuproinedisulfonic acid disodium salt for the total antioxidant capacity assessment: The CUPRAC-BCS assay

, 2013
There is heightened interest in determining antioxidant status of individuals in experimental and clinical studies investigating progression of diseases or diverse aspects of oxidative stress, among others.
Guzmán, Rodrigo, Campos, Carlos, Casado Moragón, Ángela, López-Fernández, M.E.   +3 more
core   +1 more source

Determination of Cannabis sativa L. Species That are Grown in Lithuania and Their Comparison by Spectrophotometric FRAP and CUPRAC Methods. [PDF]

, 2018
After carrying out of antioxidant activity by spectrophotometric FRAP method, the highest TEAC values determined in Futura breed (0,533 ± 0,025 mg/ml) and Finola breed (0,495 ± 0,006 m g/ml) in raw materials collected in Rokiškis District, in Felina ...
Nagytė, Indrė
core  

CUPRAC total antioxidant capacity assay of lipophilic antioxidants in combination with hydrophilic antioxidants using the macrocyclic oligosaccharide methyl beta-cyclodextrin as the solubility enhancer

, 2007
Antioxidants are important health beneficial compounds in regard to their ability to quench reactive O,N-species under 'oxidative stress' conditions.
Ozyurek, Mustafa, Celik, S. E., Guclu, Kubilay, Apak, R.   +3 more
core   +1 more source

Determination of the antioxidant capacity of some thiazole derivatives using the CUPRAC and DPPH method

In this study, the antioxidant properties of some thiazole compounds were investigated using the DPPH and CUPRAC methods. Urea, amide, and benzyl-substituted thiazole compounds (11, 12, 13) were synthesized from the reactions of 4-phenyl-2-aminothiazole ...
Abdullah Biçer, Gökhan Sevinç
core   +1 more source

Simultaneous total antioxidant capacity assay of lipophilic and hydrophilic antioxidants in the same acetone-water solution containing 2% methyl-beta-cyclodextrin using the cupric reducing antioxidant capacity (CUPRAC) method

, 2008
Antioxidants are health beneficial compounds that can protect cells from the damage caused by unstable molecules known as reactive oxygen species (ROS).
Ozyurek, Mustafa, Apak, Resat, Guclu, Kubilay, Bektasoglu, Burcu, Gungor, Nilay   +4 more
core   +1 more source

Novel hydroxyl radical scavenging antioxidant activity assay for water-soluble antioxidants using a modified CUPRAC method

, 2006
Reactive oxygen species (ROS) such as superoxide anion, hydroxyl ((OH)-O-center dot), peroxyl, and alkoxyl radicals may attack biological macromolecules giving rise to oxidative stress-originated diseases.
Celik, Saliha Esin, Ozyurek, Mustafa, Apak, Resat, Guclu, Kubilay, Bektasoglu, Burcu   +4 more
core   +1 more source

Development of novel DNA-cuprac colorimetric probe for determination of hydroxyl radical damage and related antioxidant activity

, 2017
Copyright (2017) by the International Measurement Confederation (IMEKO). All rights reserved.An unbalance between reactive oxygen species and antioxidants in favour of oxidants may cause health issues.
APAK, Mustafa Reşat, Uzunboy, Seda, Çekiç, Sema Demirci   +2 more
core  

Desarrollo metodológico de la técnica cuprac mediante determinaciones electroquímicas y preparación de un electrodo modificado químicamente para evaluar propiedades antioxidantes. [PDF]

, 2015
Se presenta el desarrollo del método electroquímico CUPRAC por voltamperometría cíclica y cronoamperometría como una alternativa cuantitativa a las determinaciones espectroscópicas de disoluciones conteniendo antioxidantes.
ARELY IRAIS CARDENAS ROBLES
core  

The CUPRAC‑paper microzone plates as a simple and rapid method for total antioxidant capacity determination of plant extract

, 2019
The current work was aimed to develop the paper microzone plates (PµZP) as a scanometric system for determining the total antioxidant capacity of plant extracts.
KUSWANDI, Bambang, CHASSANA, Rizka Illa, NINGSIH, Indah Yulia, YUWONO, Mochammad, HIDAYAT, Mochammad Amrun   +4 more
core