Abstract
Introduction. The lack of dietary fibre in the Russian people diet contributes to the development of various diseases. In this regard, it seems worthwhile to enrich foods with dietary fibre obtained from various types of raw materials. In our experiments, we used beet pulp. This study aimed to develop a technology for obtaining combined dietary fibre using the electrophysical method and evaluate its detoxification properties.
 Study objects and methods. Study objects were pectin substances and combined detoxicants from beet pulp obtained by extracting with succinic acid with and without an extremely low-frequency electromagnetic field (ELF EM) treatment. The profiles of combined detoxicants and pectin substances were identified by IR-Fourier spectrometry. Beet pectin, beet cellulose, and their combined detoxicants were tested for complexing (binding) capacity with respect to lead ions (Pb2+). For this, we applied the trilonometric method with some modifications.
 Results and discussion. The analysis of the absorption bands of carboxyl groups carbonyls revealed the presence of free carboxyl groups in the combined detoxicants. The combined detoxicant with a 1:0.5 ratio of cellulose and pectin substances showed a high complexing (binding) capacity (601 mg/Pb2+) with respect to lead ions (Pb2+).
 Conclusion. We developed a technology for producing combined detoxicants with a high complexing capacity with respect to lead ions analysed microstructures of gels obtained during the interaction between the combined detoxicant and lead acetate solution.
Highlights
The lack of dietary fiber in the Russian people diet contributes to the development of various diseases
An aliquot of 10 cm3 of the solution was titrated with 0.01 mol/dm3 ethylene diamine tetraacetate (EDTA) solution at pH 9–10 using Eriochrome Black T until the colour changed from violet to blue
The binding capacity was calculated as a metal binding percentage using the following equation: Figures 1–4 show the results of identifying the profiles of the combined detoxicants and pectin substances obtained from beet pulp
Summary
The lack of dietary fiber in the Russian people diet contributes to the development of various diseases. Study objects were pectin substances and combined detoxicants from beet pulp obtained by extracting with succinic acid with and without an extremely low-frequency electromagnetic field (ELF EM) treatment. Beet cellulose, and their combined detoxicants were tested for complexing (binding) capacity with respect to lead ions (Pb2+).
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