Germacrene D Chemotype of Essential Oils of Leonurus cardiaca L.Growing Wild in Vilnius District (Lithuania)

摘要

The essential oils of wild Leonurus cardiaca L.collected at full flowering in six habitats in Vilnius district were analyzed by GC and GC/MS.About the half of the oils were consisted of sesquiterpene hydrocarbons (48.8-62.2%).The oils from fresh dried plants were of the germacrene D (26.6-35.1%) chemotype.The other main constituents were beta-caryophyllene (5.8-9.0%) and alpha-humulene (6.4-9.2%).Forty-nine identified compounds made up 73.1-84.8% of the oils.