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Essential oil composition of Inula britannica L. from Bulgaria
Milka Todorova1, Antoaneta Trendafilova1, Viktoria Ivanova1
1a Institute of Organic Chemistry with Centre of Phytochemistry , Bulgarian Academy of Sciences , Sofia , Bulgaria.
The essential oils from Inula britannica L. flowers and leaves were analyzed, revealing a rich terpenoid profile dominated by sesquiterpenoids. Key compounds identified include viridiflorol and himachalol.
Area of Science:
- Phytochemistry
- Natural Product Chemistry
Background:
- Inula britannica L. is a plant with traditional medicinal uses.
- Understanding the chemical composition of its essential oils is crucial for exploring its applications.
Purpose of the Study:
- To characterize the essential oil composition of Inula britannica L. flowers and leaves.
- To identify the main chemical constituents and their relative abundances.
Main Methods:
- Essential oils were extracted from flowers and leaves separately.
- Gas chromatography-flame ionization detector (GC-FID) and gas chromatography-mass spectrometry (GC-MS) were employed for analysis.
Main Results:
- A total of 83 constituents were identified, comprising over 96% of the total oils.
- The oils were rich in terpenoids (57.85%-77.28%), with sesquiterpenoids being the dominant class.
- Major constituents included viridiflorol, himachalol, 6,10,14-trimethyl-2-pentadecanone, 13-tetradecanolide, and 3-methyl-4-propyl-2,5-furandione.
Conclusions:
- The study provides a detailed chemical profile of Inula britannica L. essential oils.
- The identified terpenoid-rich composition supports further investigation into the plant's bioactivity.
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