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Your search keyword '"Ridha El Mokni"' showing total 4 results
Start Over Author "Ridha El Mokni" Journal natural product research
4 results on '"Ridha El Mokni"'

1. Chemical composition, antifungal and antiproliferative activities of essential oils from Thymus numidicus L

Author

Virginia Brighenti, Ridha El Mokni, Saoussen Hammami, Haïfa Debbabi, Federica Pellati, Ameur Elaissi, Eman Elsharkawy, and Simona Nardoni

Subjects
Antifungal, Traditional medicine, Chemistry, medicine.drug_class, antifungal activity, Organic Chemistry, Plant Science, Biochemistry, essential oil, Thymus numidicus, Analytical Chemistry, law.invention, antiproliferative effect, law, medicine, chemical composition, Antiproliferative effect, Chemical composition, Essential oil
Abstract

In this study, Thymus numidicus Poir. plant material was collected from two different locations in north-western Tunisia and the aerial parts essential oils (EOs) were extracted via hydro-distillat...

Published
2020
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3. Chemical composition and antioxidant activity of essential oil from aerial parts of Teucrium flavum L. subsp. flavum growing spontaneously in Tunisia

Author

Mohamed Hédi El Aouni, Saoussen Hammami, Silvia Procedda, Danilo Falconieri, Zine Mighri, Khaled Faidi, Alessandra Piras, and Ridha El Mokni

Subjects
Tunisia, Antioxidant, DPPH, medicine.medical_treatment, Plant Science, Antioxidant potential, Biochemistry, Antioxidants, Gas Chromatography-Mass Spectrometry, Teucrium, Analytical Chemistry, law.invention, chemistry.chemical_compound, law, Botany, Oils, Volatile, medicine, Plant Oils, Food science, Chemical composition, Essential oil, Polycyclic Sesquiterpenes, Molecular Structure, biology, Chemistry, Organic Chemistry, Plant Components, Aerial, biology.organism_classification, Teucrium flavum, Monocyclic Sesquiterpenes, Lamiaceae, Gas chromatography–mass spectrometry, Sesquiterpenes
Abstract

The objectives of this study were to chemically characterise and evaluate the antioxidant potential of the essential oil from Teucrium flavum L. subsp. flavum growing spontaneously in Tunisia. The volatile oil was extracted by hydrodistillation of the aerial parts in a Clevenger type apparatus. Forty constituents were identified via GC and GC-MS analysis. β-caryophyllene (32.5%) and α-humulene (17.8%) were the most abundant components. The evaluation of free radical scavenging activity using stable DPPH free radical showed that the volatile oil exhibits a moderate antioxidant activity and reduces DPPH to 50% at EC50 value of 1230 μg mL− 1.

Published
2015
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4. Comparative study on the chemical constituents of essential oils from different organs of the Sicilian Kundmannia (Kundmannia sicula L.) DC. (Apiaceae) growing spontaneously in Tunisia

Author

Khaled Faidi, Saoussen Hammami, Mohamed Farouk Mhenni, R.K. Joshi, Zine Mighri, and Ridha El Mokni

Subjects
Tunisia, Apiaceae, Organic Chemistry, Kundmannia, Flowers, Plant Science, Biology, Isocurcumenol, biology.organism_classification, Biochemistry, Analytical Chemistry, law.invention, Plant Leaves, Kundmannia sicula, law, Chemical constituents, Botany, Monoterpenes, Oils, Volatile, Gas chromatography, Gas chromatography–mass spectrometry, Sesquiterpenes, Essential oil
Abstract

Essential oils from odorous and volatile compounds possessing several therapeutic benefits are considered of a paramount importance in everyday human life. This study deals with a comparative study of essential oils from different parts of an aromatic plant Kundmannia sicula (L.) DC. (Apiaceae) growing in Tunisia. The hydro-distilled essential oils of the leaves and inflorescences with mature seeds (IMS) of K. sicula were analysed for the first time by gas chromatography equipped with flame ionisation detector and gas chromatography coupled with mass spectrometry. Fifty leaves and 47 IMS constituents were identified, accounting for 97.9% and 98.2% of the total oil, respectively. The major compounds identified from the leaves and IMS oils were isocurcumenol (9.9-10.1%), hexadecanoic acid (9.5-10.9%), spathulenol (6.9-3.4%), 10-epi-γ-eudesmol (6.3-5.5%), α-cubebene (5.9-6.1%) and trans-dihydro occidentalol (52-6.6%). The essential oil consists mainly of oxygenated monoterpenes (50.7-53.2%).

Published
2014
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