A Voltammetric Sensor for Simultaneous Determination of Vitamin C and Vitamin B6 in Food Samples Using ZrO2 Nanoparticle/Ionic Liquids Carbon Paste Electrode

A Baghizadeh, H Karimi-Maleh, Z Khoshnama… - Food analytical …, 2015 - Springer
A fast and simple voltammetric method based on the use of ZrO 2 nanoparticle/ionic liquids
carbon paste electrode (ZrO 2/NPs/IL/CPE) is proposed for the determination of vitamin C …

Quantitation of vitamin C content in herbal juice using direct titration

L Suntornsuk, W Gritsanapun, S Nilkamhank… - … of pharmaceutical and …, 2002 - Elsevier
Vitamin C content in fresh and freeze-dried herbal juice, such as guava (Psidium guajava
Linn.) emblic myrobolan (Phyllanthus embica Linn.), lemon (Citrus aurantifollia Swing) …

A possible role for singlet oxygen in the degradation of various antioxidants. A meta-analysis and review of literature data

AL Petrou, PL Petrou, T Ntanos, A Liapis - Antioxidants, 2018 - mdpi.com
The thermodynamic parameters Eact, ΔH≠, ΔS≠, and ΔG≠ for various processes involving
antioxidants were calculated using literature kinetic data (k, T). The ΔG≠ values of the …

Application of ZnO/CNTs nanocomposite ionic liquid paste electrode as a sensitive voltammetric sensor for determination of ascorbic acid in food samples

M Bijad, H Karimi-Maleh, MA Khalilzadeh - Food Analytical Methods, 2013 - Springer
In this study, a simple and rapid analytical method development for ascorbic acid (AA)
determination in food samples by using differential pulse voltammetry (DPV) method on …

Comparative study of the chemical compositions and antioxidant activities of fresh juices from Romanian Cucurbitaceae varieties

AC Busuioc, AVD Botezatu, B Furdui, C Vinatoru… - Molecules, 2020 - mdpi.com
Cucurbitaceae is a family of health-promoting plants due to their compounds with beneficial
effects. The aim of this study was to analyze, for the first time, the chemical composition, the …

A differential pulse voltammetric method for simultaneous determination of ascorbic acid, dopamine, and uric acid using poly (3-(5-chloro-2-hydroxyphenylazo)-4, 5 …

AA Ensafi, M Taei, T Khayamian - Journal of Electroanalytical Chemistry, 2009 - Elsevier
A stable modified glassy carbon electrode based on the poly 3-(5-chloro-2-
hydroxyphenylazo)-4, 5-dihydroxynaphthalene-2, 7-disulfonic acid (CDDA) film was …

Highly selective determination of ascorbic acid, dopamine, and uric acid by differential pulse voltammetry using poly (sulfonazo III) modified glassy carbon electrode

AA Ensafi, M Taei, T Khayamian… - Sensors and Actuators B …, 2010 - Elsevier
A highly selective electrochemical method was developed for the simultaneous
determination of ascorbic acid (AA), dopamine (DA), and uric acid (UA) using sulfonazo III …

Flow injection determination methods of ascorbic acid

MC Yebra-Biurrun - Talanta, 2000 - Elsevier
A review with 100 references is presented to show the advantages involved in the use of
flow injection analysis (FIA) for the determination of ascorbic acid. The FI methods proposed …

Highly selective and sensitive voltammetric sensor based on modified multiwall carbon nanotube paste electrode for simultaneous determination of ascorbic acid …

M Keyvanfard, R Shakeri, H Karimi-Maleh… - Materials Science and …, 2013 - Elsevier
A carbon-paste electrode modified with multiwall carbon nanotubes (MWCNTs) was used for
the sensitive and selective voltammetric determination of ascorbic acid (AA) in the presence …

Electrocatalytic and simultaneous determination of ascorbic acid, nicotinamide adenine dinucleotide and folic acid at ruthenium (II) complex‐ZnO/CNTs …

H Karimi‐Maleh, F Tahernejad‐Javazmi… - …, 2014 - Wiley Online Library
This paper describes the development a novel ruthenium (II) complex‐ZnO/CNTs modified
carbon paste electrode (Ru (II)/ZnO/CNTs/CPE) for the electrocatalytic determination of …