Antioxidant Capacity of Dark Red Corn – Biochemical Properties Coupled with Electrochemical Evaluation
| Autor: | Biljana Kiprovski, Goran Bekavac, Maja Mikulic-Petkovsek, Sanja Stevanović, Marija Mihailovic, Maja Stevanovic, J.D. Lović |
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| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
voltammetry
corrosion inhibitor Process equipment Chemistry Materials Science (miscellaneous) Process Chemistry and Technology 010401 analytical chemistry General Engineering linear polarization resistance food and beverages antioxidant activity 02 engineering and technology General Chemistry General Medicine 021001 nanoscience & nanotechnology Electrochemistry 01 natural sciences General Biochemistry Genetics and Molecular Biology 0104 chemical sciences Antioxidant capacity Chemical engineering Petrochemistry Materials Chemistry General Pharmacology Toxicology and Pharmaceutics 0210 nano-technology |
| Zdroj: | Revista de Chimie |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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