A comparison of quantitative analysis of selected flavonoid glycosides from inflorescence of Sambucus nigra L. by Thin Layer Chromatography and High Performance Liquid Chromatography.
Keywords:
extraction methods, flavonoids, Sambucus nigra L., HPLC, TLCAbstract
Flavonoids are substances which have most important activity (anti-oxidative, anti-thrombotic, hypotensive, antiphlogistic). Because of that, there is a need to develop adequate methods for the isolation and analysis of these substances in plant material. The aim of this work was comparison of TLC quantitative analysis and HPLC quantitative analysis of flavonoid glycosides (rutin and isoquercetrin) from inflorescence of Sambucus nigra L. (Familia Caprifoliaceae). Samples were prepared by extraction of plant material with methanol or 80% methanol in water. The following methods were used: Soxhlet extraction, microwave assisted solvent extraction (MASE), accelerated solvent extraction (ASE) and ultrasound assisted solvent extraction (USAE). Samples containing flavonoid fraction were purified by SPE C18 cartridges and analyzed by HPLC. Simultaneously quantitative analysis of rutin and isoquercetrin in crude flavonoids extracts by performing TLC methods was carried out. In our experiments similar effectiveness of both methods for quantitative analysis of rutin and isoquercetrin from Sambuccus nigra L. inflorescence was ascertained.
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