Feuille Origanum Glandulosum

Chemical composition, antimicrobial and antioxidant …

The essential oil of T. fontanesii had the highest scavenging effect against DPPH free radical, and the strongest anti-bleaching activity with IC50 values of 51.56 ±0.25 mg/mL and 1.48 ± 0.02 mg/ mL, respectively. The chemical composition, and antioxidant and antimicrobial activities of the essential oil (EO) of two lamiaceae (Origanum …

Evaluation of Chemical Composition and Biological …

Origanum vulgare L. (oregano), without focusing on specific subspecies, is the most widespread and known species of Lamiaceae family. It is an important aromatic plant widely used in many countries for seasoning foods7. Origanum vulgare ssp. glandulosum (Desf.) Ietswaart, synonymous O. glandulosum Desf., is an endemic

Phytochemical Study of Two Algerian Plants Origanum …

In phytochemical study of two Algerian plants, the ethyl acetate and n-butanol extracts from aerial parts of Origanum vulgare L. Sbsp. glandulosum (Desf) ietswaart and n-butanol extract from aerial parts of Thymus algeriensis (Boiss. and Reut), one flavonoid (8,4'-dihydroxy-7-O-β-Darabinopyranosideflavone) was isolated for the …

Essential oils of Origanum vulgare L. subsp. glandulosum …

RESULTS The essential oils from Origanum vulgare L. subsp. glandulosum (Desf.) Ietswaart collected from three localities of north Tunisia-Krib, Bargou and Nefza-were obtained in yields of 2.5, 3.0 and 4.6% (v/w), respectively. The essential oils were analysed by GC and GC/MS and assayed for their total phenolics content, by …

Evaluation of Chemical Composition and Biological Activities …

It was observed that potato starch or sunflower oil concentrations of above 5%, reduced the efficacy of oregano and thyme essential oils on Listeria monocytogenes. The objective of this study was to evaluate the chemical composition of O. vulgare L. ssp. glandulosum (Desf.) Ietswaart essential oil (EO), to determine total phenolic constituent in methanolic …

Antibiotics | Free Full-Text | Chemical Composition and …

Antibiotics are becoming ineffective against resistant bacteria. The use of essential oils (EOs) may constitute an alternative solution to fight against multidrug-resistant bacteria. This study aims to determine the chemical composition of EOs from five populations of the endemic Algerian Origanum glandulosum Desf. and to investigate their potential …

Effect of harvest year on production, chemical

In 2007, we noted the presence of the p-cymene chemotype of Origanum glandulosum from Tunisia for the first time (Mechergui et al., 2010). In fact, previous work on Origanum glandulosum of Algeria have reported that chemotypes thymol and/or carvacrol (Ruberto et al., 2002, Hazzit et al., 2006, Sari et al., 2006). Thymol chemotype …

Activité antibactérienne des polyphénols …

Origanum glandulosum, is a spontaneous (Basli et al., 2012) and endemic (Quezel and Santa 1963) plant of Northern Algeria, belonging to the Lamiaceae family. O. glandulosum is an interesting ...

Characterization of Origanum glandulosum Desf. Essential …

With a view to preserving and sustainably exploiting local biological resources, the main objective of this study was the establishment of an optimized biotechnological process for the production of Origanum glandulosum essential oils (EOs) involving in vitro culture and acclimatization conditions of micro propagated vitro plants (O ...

Activité antibactérienne des polyphénols extraits d'une …

Activité antibactérienne des polyphénols extraits d'une plante médicinale de la flore d'Algérie: Origanum glandulosum Desf. Antibacterial activity of polyphenols extracts from a medicinal plant flora of Algeria: Origanum glandulosum Desf. Pharmacologie; Published: 21 January 2012; Volume 10, pages 2–9, (2012)

Essential oils of Origanum vulgare L. subsp. glandulosum …

Background: Characterisation of the essential oils from O. glandulosum collected in three locations of Tunisia, chemical composition and the evaluation of their antioxidant activities were carried out. Results: The essential oils from Origanum vulgare L. subsp. glandulosum (Desf.) Ietswaart collected from three localities of north Tunisia …

Flavour and Fragrance Journal

The essential oils obtained from Origanum glandulosum Desf., collected in four different localities of the Sètif region (north-eastern Algeria), were analysed by GC–MS and assayed for their antioxidative effectiveness. The antioxidant capacity of the oils was measured by the modified thiobarbituric acid reactive species (TBARS) assay, using ...

Two-phase solvent extraction of phenolics from Origanum …

Integration of solid-liquid and liquid-liquid extractions, SLE and LLE, respectively, for selective recovery of Origanum vulgare subsp. glandulosum phenolics was studied. A Two-Phase Solvent Extraction (TPSE) was performed by maceration at room temperature using a green biphasic solvent system and compared to Centrifugal …

Activité antibactérienne des polyphénols extraits d'une …

It is figured out that the antibacterial activity of the extract polyphenols of a medicinal plant from the Algerian traditional pharmacology will be influenced by the degree of the oxidization of the phenolic components. RésuméCe travail a eu pour objectif d'évaluer l'activité antibactérienne des polyphénols extraits d'une plante médicinale de …

(PDF) Biological activities and oil properties of …

Mots clés Origanum glandulosum · Activités biologiques · Propriétés de l'huile Introduction Origanum vulgare is a perennial aromatic and medicinal herb belonging to the Lamiaceae family. The species is naturally widely …

Essential oil composition and antibacterial activity of Origanum …

Variation in the quantity and quality of the essential oil (EO) of wild population of Origanum vulgare at different phenological stages, including vegetative, late vegetative, and flowering set, is reported. ... which were sensitive to the EO of O. vulgare subsp. glandulosum, were in the range of 9-36 mm and 125-600 μg/mL, respectively. The ...

Analyse chimique, activités antioxydante, anti-inflammatoire …

The hydromethanolic extract of the aerial parts of Origanum glandulosum Batt. et Trab. was investigated for its chemical composition by HPLC (High-performance liquid chromatography) analysis; its antioxidant, anti-inflammatory and cytotoxic activities were also investigated. The chromatographic analysis revealed the presence of three …