Effect of sample-preparation methods on the quantification of selected flavonoids in plant materials by high performance liquid chromatography

• Autorzy: Waksmundzka-Hajnos M. , Wianowska D. , Oniszczuk A. , Dawidowicz A. L.
• Języki publikacji: EN

Abstrakty

EN

Extraction yield of flavonoids from plant material Sambucus nigra L. inflorescence and Polygonum aviculare herb was determined by use of various methods of liquid-solid extraction - Soxhlet extraction, ultrasonification (USAE), microwave-assisted extraction (MASE), and accelerated solvent extraction (ASE). Methanol was used as extractant. Crude extracts were evaporated to dryness and prepared to achieve fractionation of flavonoids by LLE or SPE. Samples containing the flavonoid fraction were analysed by RP-HPLC. For quantitative purposes the external standard method with a calibration plot for every standard was used. It was found that yield depends first of all on the plant material from which flavonoid fraction was extracted. For Sambucus nigra L. inflorescence the most effective method was exhaustive extraction in a Soxhlet apparatus. For Polygonum aviculare the most effective method was ASE. The best purification method was SPE on C ₁₈adsorbent, which resulted in the highest recoveries and repeatabilities.

Słowa kluczowe

EN

extraction methods; Soxhlet; USAE; ASE; MASE; SPE; LLE; flavonoids; Sambucus nigra L; Polygonum aviculare

• Wydawca: University of Silesia in Katowice ; Akademiai Kiado
• Czasopismo: Acta Chromatographica
• Rocznik: 2008
• Tom: Vol. 20, no. 3
• Strony: 475--488
• Opis fizyczny: Bibliogr. 15 poz., rys., tab.

Twórcy

autor

Waksmundzka-Hajnos M.

autor

Wianowska D.

autor

Oniszczuk A.

autor

Dawidowicz A. L.

• Medical University of Lublin Department of Inorganic Chemistry Staszica 6 20-081 Lublin Poland Maria Curie-Skłodowska University Department of Chromatography, Faculty of Chemistry Maria Curie-Skłodowska Sq. 1 20-031 Lublin Poland,

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