Fractions of triterpenoids have been isolated from herb, inflorescences, and rhizomes with roots of Hieracium pilosella by typical extraction with petroleum ether. The fraction from inflorescences was investigated using GC-MS techniques. The occurrence of alpha- and beta-amyrin, taraxerol,
The effects of low levels of heavy metals on plant growth, biomass turnover and reproduction were investigated for Hieracium pilosella. Plants were grown for 12 weeks on substrates with different concentrations of heavy metals obtained by diluting contaminated soils with silica sand. To minimize
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