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Antioxidant Capacity of Dark Red Corn – Biochemical Properties Coupled with Electrochemical Evaluation

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2020
RevChim20.pdf (870.6Kb)
Authors
Stevanović, Maja
Stevanović, Sanja
Mihailović, Marija
Kiprovski, Biljana
Bekavac, Goran
Mikulič-Petkovšek, Maja
Lović, Jelena
Article (Published version)
,
Revista de Chimie
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Abstract
Biochemistry coupled with electrochemical approach is employed in a fast, relatively simple, yet highly precise detection of a plant extract antioxidant properties. Antioxidant capacity of dark red corn grains was investigated electrochemically using cyclic voltammetry (CV) on glassy carbon electrode (GC). The linear polarization resistance (LPR) measurements were performed for examining the corrosion inhibitive behavior of polyphenolics on mild steel. The consistent positive correlation (r=0.99) was established between total phenolic and flavonoid contents obtained by CV measurements and spectrophotometric antioxidant assay (DPPH test). Both analyses confirm the high antioxidant activity of tested pigments. Determination of the corrosion inhibition efficiency revealed that the red corn pigments have anti-corrosion effect on mild steels.
Keywords:
antioxidant activity / voltammetry / linear polarization resistance / corrosion inhibitor
Source:
Revista de Chimie, 2020, 71, 6, 31-41
Publisher:
  • Revista de Chimie
Projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)

DOI: 10.37358/RC.20.6.8167

ISSN: 0034-7752; 2668-8212

Scopus: 2-s2.0-85088106673
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/3577
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IHTM

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