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Stevia rebaudiana is a plant herb which has good properties for using as an alternative of the glucose sugar. Electrochemical study was used to calculate the limited safety dose by a cyclic voltammetric technique using nano-sensor as modified glassy carbon electrode (GCE) with carbon nanotubes (CNT) as MWCNT/GCE. The oxidation current peak of stevia compound was appeared in the concentration of 0.4 mM (28 mg/mL), and the reduction current peak appeared at –500 mV, and so it can be concluded that stevia compound is an anti-oxidative sweetener compound at a limited concentration for safety using. Also, the electrochemical properties of the stevia compound were studied in acidic and alkaline pH to accord the oxidative behavior in acidic medium and act as anti-oxidative in alkaline solution.


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Electrochemical Analysis Using Nano-Sensor of Stevia Herb as a Healthful Alternative Sugar

Show Author's information Muhammed Mizher Radhi1Asmaa Abdulsattar Obaid2Wisam Hindawi Hoidy3( )
Department of Radiological Techniques, College of Health and Medical Technology/Baghdad, Middle Technical University (MTU), Baghdad, Iraq
Department of Physiotherapy Techniques, College of Health and Medical Technology/Baghdad, Middle Technical University (MTU), Baghdad, Iraq
Department of Chemistry, College of Education, University of Al-Qadisiyah, Al-Qadisiyah City, Iraq

Abstract

Stevia rebaudiana is a plant herb which has good properties for using as an alternative of the glucose sugar. Electrochemical study was used to calculate the limited safety dose by a cyclic voltammetric technique using nano-sensor as modified glassy carbon electrode (GCE) with carbon nanotubes (CNT) as MWCNT/GCE. The oxidation current peak of stevia compound was appeared in the concentration of 0.4 mM (28 mg/mL), and the reduction current peak appeared at –500 mV, and so it can be concluded that stevia compound is an anti-oxidative sweetener compound at a limited concentration for safety using. Also, the electrochemical properties of the stevia compound were studied in acidic and alkaline pH to accord the oxidative behavior in acidic medium and act as anti-oxidative in alkaline solution.

Keywords: PH, Cyclic voltammetry, Stevia compound, Nano-sensor, KCl solution

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Publication history

Received: 04 July 2020
Accepted: 22 April 2021
Published: 02 June 2021
Issue date: June 2021

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© Muhammed Mizher Radhi, Asmaa Abdulsattar Obaid, and Wisam Hindawi Hoidy.

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This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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