The comparison of the content of essential oil and flavonoids in selected species of genus Achillea millefolium agg. cultivated in conventional and organic way

摘要

The content of essential oil and flavonoids in 16 taxons of the Achillea millefolium agg. group was evaluated for the Mendel University in Brno, Faculty of Horticulture in Lednice. The evaluation includes the species Achillea millefolium, A. collina and A. pannonica.a. Dried aerial part harvested in full blossom was the material used for the evaluation.The amount of essential oil was determined by distillation according Czech Pharmacopoeia (2002). The content of flavonoids was determined according to the methods of Unigeo Company, by the absroption spectrophotometry method.