Abstract
The chromatographic conditions for the separation of a complex set of flavonoids (aglycones and glycosides) by micellar liquid chromatography with spectrophotometric detection were optimized. A good separation for all analytes was obtained and satisfactory peak shapes were achieved by isocratic elution with Ultrasphere ODS column (250 mm × 4.6 mm, 5 μm). The optimal mobile phase range for flavonoids separation is: SDS concentration between 0.014 and 0.018 mol L−1 and 1-propanol volume fraction between 2.2 and 4.5% (v/v) in a diluted (1:5) phosphate buffer solution pH 6.86. The flavonoids (robinin, rutin, hyperoside, quercitrin, liquroside, luteolin-7O-glucoside, apigenin-7O-glucoside, isosalipurposide, myricetin, fisetin, luteolin, apigenin, quercetin and caempferol) were successfully separated within 40 min with isocratic elution. The developed method is an alternative to reversed-phase LC in the assay of flavonoids in plants, plant extracts and plant extract containing drugs.
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Kulikov, A.U., Galat, M.N. & Boichenko, A.P. Optimization of Micellar LC Conditions for the Flavonoid Separation. Chroma 70, 371–379 (2009). https://doi.org/10.1365/s10337-009-1164-2
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DOI: https://doi.org/10.1365/s10337-009-1164-2