褐煤腐殖质和脂质物质的结构-基团组成及生物活性

IF 0.5 Q4 CHEMISTRY, MULTIDISCIPLINARY

Eurasian Chemico-Technological Journal Pub Date : 2022-10-10 DOI:10.18321/ectj1429

S. Zherebtsov, K. Shpakodraev, K. Votolin, N. Malyshenko, Z. Ismagilov

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引用次数: 0

摘要

通过元素分析、红外光谱、13СNMR（CPMAS）光谱和气相色谱-质谱对从中提取的褐煤、沥青和腐殖酸（HA）样品进行了表征。在提取的沥青样品中检测到生物活性物质的存在。研究了腐殖酸钠形式的腐殖制剂和提取的沥青树脂的皂化组分的生物活性取决于结构基团参数：芳香度（far）、亲水-疏水参数（fhh），以及描述HA的有机物质的芳香族和脂肪族片段之间的关系的参数（far/al）。结果表明，煤有机质的O-烷基化，然后脱铝，改变了腐殖酸的结构基团组成，增加了芳香度，提高了HA的生物活性。

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Structural-Group Composition and Biological Activity of Humic and Lipid Substances of Brown Coals

The samples of brown coal, bitumen and humic acids (HA) extracted from them are characterized by means of elemental and proximate analyses, FTIR, 13С NMR (CPMAS) spectroscopy and gas chromatography-mass spectrometry. The presence of biologically active substances is detected in the extracted bitumen samples. The biological activity of humic preparations in the form of sodium humates and the saponifiable component of the extracted bituminous resin is investigated depending on the structural-group parameters: aromaticity degree (far), the hydrophilic-hydrophobic parameter (fhh), and the parameter depicting the relationship between the aromatic and aliphatic fragments of the organic mass of HA (far/al). It is shown that O-alkylation of the organic mass of coal, followed by debituminizing, changes the structural-group composition of humic acids, causes an increase in the degree of aromaticity and leads to enhancement of the biological activity of HA.

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来源期刊

Eurasian Chemico-Technological Journal CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

1.10

自引率

20.00%

发文量

审稿时长

20 weeks

期刊介绍： The journal is designed for publication of experimental and theoretical investigation results in the field of chemistry and chemical technology. Among priority fields that emphasized by chemical science are as follows: advanced materials and chemical technologies, current issues of organic synthesis and chemistry of natural compounds, physical chemistry, chemical physics, electro-photo-radiative-plasma chemistry, colloids, nanotechnologies, catalysis and surface-active materials, polymers, biochemistry.