Abstract
This work suggests using Cu(II) - neocuproine redox system immobilized into transparent polymethacrylate matrix for assessment of antioxidant capacity using CUPRAC method. The method we developed makes it possible to quantify the content of the antioxidants in the concentration range of 5.9 × 10−8–9.1 × 10−5 M. The sensor was tolerant to pH variations and painting, and used for the antioxidant capacity determination values of some commercial medicinal tinctures without pretreatment.
| Original language | English |
|---|---|
| Article number | 118581 |
| Journal | Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy |
| Volume | 240 |
| DOIs | |
| Publication status | Published - 15 Oct 2020 |
Keywords
- Antioxidant capacity
- Cu(II)-neocuproine redox system
- Plant extract
- Polymethacrylate matrix
- Solid-phase spectrophotometry
ASJC Scopus subject areas
- Analytical Chemistry
- Atomic and Molecular Physics, and Optics
- Instrumentation
- Spectroscopy
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Cite this
Saranchina, N. V., Damzina, A. A., Ermolaev, Y. E., Urazov, E. V., Gavrilenko, N. A., & Gavrilenko, M. A. (2020). Determination of antioxidant capacity of medicinal tinctures using cuprac method involving Cu(II) neocuproine immobilized into polymethacrylate matrix. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 240, [118581]. https://doi.org/10.1016/j.saa.2020.118581