Chemical composition of Hypericum perforatum and its effects
2015
Đorđević, Aleksandra S. (Faculty of Science and Mathematics, Niš (Serbia). Department of Chemistry)
The essential oil isolated from fresh aerial parts of Hypericum perforatum L. was analyzed by GC and GC/MS. One hundred and thirty four identified compounds accounted for 98.7% of the total oil. The main components of the oil were: germacrene D (18.6%), (E)-caryophyllene (11.2%), 2-methyloctane (9.5%), α-pinene (6.5%), bicyclogermacrene (5.0%) and (E)-β-ocimene (4.6%). The volatile profile of H. perforatum was characterized by a large content of sesqiuterpenoids (57.7%), especially sesquiterepene hydrocarbons (48.7%). Monoterpenoids (22.4%) also consisted mostly of hydrocarbons (21.4%). Non- terpenoid compounds amounted to 18.1% of the total oil.
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