期刊
NATURAL PRODUCT RESEARCH
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2023.2266106
关键词
Nepeta apuleji ucria; lamiales; essential oil; germacrene D; beta-caryophyllene; beta-pinene; gamma-terpinene
This study analyzed the chemical composition of the essential oils from aerial parts of a rare species of Nepeta collected in two locations in Sicily and found that the main constituents were β-pinene, γ-terpinene, β-caryophyllene, and germacrene D. The chemical profile of these essential oils was compared with previous studies on Nepeta taxa oils.
The genus Nepeta L. (Lamiaceae) comprises about 300 species as annual or perennial herbs or small shrubs, spread in central and southern Europe, the Near East, central and southern Asia, and some areas of Africa. Several species have been used in the traditional medicine. In the present study, the chemical composition of the essential oils from aerial parts of two populations of Nepeta apuleji Ucria collected in Sicily, a rare species, growing also in South Spain and NW Africa, were analysed by GC-MS. No one has been previously worked and published on the essential oil of this species. Main constituents of the two oils of the two populations were the monoterpenes beta-pinene (11.6-6.3%) and gamma-terpinene (9.4-5.0%), and the sesquiterpenes beta-caryophyllene (11.9-9.8%) and germacrene D (1.8-13.0%). The chemical profile of the two essential oils presented herein and they compared with previously investigated Nepeta taxa oils, reported in the article.
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