Chloroform, butanolic and water fractions from the methanolic extracts of Lamium album L. and L. purpureum L. flowers and different organs of mistletoe (Viscum album L.), namely leaves, stalks and fruits were investigated for the free radical scavenging properties by using colour free radical DPPH • as a stain reagent for dot-blot assay on a T LC plate and two-dimensional thin-layer chromatography (2D-TLC) analysis (2D-TLC-DPPH test) as well as a dye reagent for the spectrophotometric assay. For each plant material, butanolic fractions showed the strongest activity, of which those of the Lamium species were nearly equal to that of the known antioxidant - BHA. According to 2D-TLC chromatography, the phenolic compounds present were responsible for the antiradical activity of the fractions.
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