Comparative study for the volatile constituents and the antioxidant activity of the essential oils of dried Achillea fragrantissima cultivated in Madinah Monawara, Saudi Arabia and Egypt

Hydrodistilled essential oils (HD) of dried aerial parts of Achillea fragrantissima cultivated in Egypt and Madinah Monawara, Saudi Arabia, and their volatiles extracted by solid phase microextraction (SPME) were analyzed using Gas Chromatography - Mass Spectrometry. Thirty - four constituents of th...

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Bibliographic Details
Published in:International journal of food properties 2019-01, Vol.22 (1), p.395-404
Main Authors: Farouk, Amr, Ali, Hatem, Al-Khalifa, Abdel Rahman, Mohsen, Mohamed, Fikry, Reda
Format: Article
Language:English
Subjects:
Acetic acid
Achillea
Achillea fragrantissima
Alcohol
Antioxidant
Antioxidants
Borneol
Bornyl acetate
Carvone
essential oil
Essential oils
extraction
Gas chromatography
GC-MS
Germacrene
Linalool
Madinah Monawara
Mass spectroscopy
Monoterpenes
Oils & fats
p-Cymene
Phenolic compounds
Pinene
Pinocarveol
Sabinene
Solid phase methods
Spathulenol
SPME
Terpenes
Terpinene
Terpineol
Thujone
Volatiles
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Summary:Hydrodistilled essential oils (HD) of dried aerial parts of Achillea fragrantissima cultivated in Egypt and Madinah Monawara, Saudi Arabia, and their volatiles extracted by solid phase microextraction (SPME) were analyzed using Gas Chromatography - Mass Spectrometry. Thirty - four constituents of the essential oil of Egyptian A. fragrantissima were identified, representing 90.15% of the total oil constituents, while SPME revealed 15 components constituting 94.72% of the volatile material. Santolina alcohol, artemisia ketone, α-thujone, 4(10)-thujen-3-ol, β-thujone, yomogi alcohol and trans-sabinyl acetate were the predominant components in both extracts, with quantities varying with extraction method. Many terpenes e.g. β-pinene, sabinene, α-terpinene, p-cymene, linalool, p-menth-2-en-1-ol, 4(10)-thujen-3-ol, borneol, carvone, p-menth-1-en-3-one, bornyl acetate and germacrene D, were identified for the first time. α-Thujone, 4-terpineol, trans-pinocarveol, and spathulenol were the major components among 42 identified components accounting for 93.65% of the total identified volatiles of Madinah hydrodistillate. Monoterpenes concentration was higher in Madinah SPME volatile extract than in HD essential oil. A. fragrantissima essential oil of Madinah exhibited higher antioxidant activity (IC 50 1.09 mg/ml) than did Egyptian oil (IC 50 1.72 mg/ml), consistent with the differences in phenolic content and volatile constituents identified in both oils.
ISSN:1094-2912
1532-2386
DOI:10.1080/10942912.2019.1588901