Features of Albendazole Determination and Dynamics of Its Decomposition in Biological Material

V. K. Shormanov, D. P. Shcherbakov, S. Garmonov
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Abstract

Albendazole ([5-(propylthio)-1H-benzimidazol-2-yl]carbamic acid methyl ester) is a benzimidazole derivative drug that has anthelmintic activity and is especially effective against various nematodes. Along with pronounced pharmacological action, this compound is toxic to humans. Cases of poisoning with this substance and other benzimidazole derivatives are not uncommon. Despite the active use of albendazole in medical practice and its toxicity, many questions of the chemical and toxicological analysis of albendazole remain practically unexplored. In this regard, it is advisable to study albendazole in chemical and toxicological terms. This paper aims to analyze the determination and dynamics of albendazole decomposition in biological material. Acetone was used as a chemical agent for albendazole isolation from the liver as a biomaterial. Purification of the obtained extracts was carried out sequentially in a column (190 × 11 mm) of silica gel L 40/100 μm (eluent – acetone-methylene chloride (9:1)) and by liquid-liquid extraction. The methods of thin-layer chromatography (TLC), high-performance liquid chromatography combined with tandem mass spectrometry (HPLC-MS/MS), UV spectrophotometry were used for identification. The quantitative content of the analyte was determined using UV spectrophotometry by the absorption of the dimethylformamide (DMF) medium at 301 nm. The level of albendazole extraction from the biomaterial was 85–88%.
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阿苯达唑的测定特点及其在生物材料中的分解动力学
阿苯达唑([5-(丙硫)- 1h -苯并咪唑-2-基]氨基甲酸甲酯)是一种苯并咪唑衍生物,具有驱虫活性,对多种线虫特别有效。除了明显的药理作用外,这种化合物对人体有毒。这种物质和其他苯并咪唑衍生物中毒的案例并不罕见。尽管阿苯达唑在医学实践中的积极使用及其毒性,但阿苯达唑的化学和毒理学分析的许多问题实际上尚未探索。在这方面,从化学和毒理学角度研究阿苯达唑是可取的。本文旨在分析阿苯达唑在生物材料中的分解测定及动力学。丙酮作为化学试剂从肝脏中分离阿苯达唑作为生物材料。提取液在L 40/100 μm硅胶柱(190 × 11 mm)(洗脱液-丙酮-二氯甲烷(9:1))中依次纯化,液-液萃取。采用薄层色谱(TLC)、高效液相色谱-串联质谱(HPLC-MS/MS)、紫外分光光度法进行鉴定。采用紫外分光光度法,在301 nm处吸收二甲基甲酰胺(DMF)介质,测定分析物的定量含量。生物材料中阿苯达唑的提取率为85 ~ 88%。
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CiteScore
0.70
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0.00%
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审稿时长
17 weeks
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