Accumulation of metals and selected nutritional parameters in the field-grown chamomile anthodia

► Majority of metals was more accumulated in diploid anthodia. ► Bioaccumulation factor was lower than one for toxic metals. ► Tetraploid contained less amino acids but more phenolic acids than diploid plants. ► Amount of phenols, flavonoids and herniarin was higher in tetraploid anthodia.