The composition of the essential oils obtained by hydrodistillation from flowers of Chrysanthemum coronarium L. has been investigated by gas chromatography-mass spectrometry (GC-MS). A total of 105 different constituents were identified, representing an average of 97.71–99.95% of the total oil composition. The oil obtained from flowers propagated conventionally contained the higher amounts of cis-chrysanthemol, cischrysanthenyl isovalerate, camphor, and virdiflorol, while the higher concentration of bornyl acetate, cis-chrysanthenyl acetate, and 2-(2,4-hexadiynylidene)-1,6-dioxaspiro[4.4] non-3-ene was noted in the oil obtained from flowers propagated in vitro. Significantly higher amounts of essential oil were obtained from flowers of plants derived for in vitro propagation (0.58%) in comparison with conventional cultivation (0.50%).
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