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Phytochemical composition and antioxidant activity of Tunisian Laurus nobilis.

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We study the composition of Tunisian laurel leaves essential oil (EO), the fatty acid composition of laurel seed fixed oil and the total phenolics, flavonoids and tannins of laurel leaves methanolic extract. We also evaluated its free radical scavenging activity by the DPPH test. The predominant

Preliminary assay on the antioxidative activity of Laurus nobilis extracts.

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Antioxidative activity of Laurus nobilis leaves, bark and fruit methanolic extracts (crude and defatted) were studied on the level of lipid peroxidation in liposomes, induced by Fe(2+)/ascorbate system and measured spectrophotometrically by the TBA-test. The most significant inhibition of lipid

Neuroprotective potential of Laurus nobilis antioxidant polyphenol-enriched leaf extracts.

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Oxidative stress has been proposed to be an important factor in the pathogenesis of Alzheimer's disease (AD), playing a central role in amyloid β-protein (Aβ) generation and neuronal apoptosis. Oxidative damage directly correlates with the presence of Aβ deposits. Aβ and oxidative stress jointly

Phytochemical composition and antioxidant activity of Laurus nobilis L. leaf infusion.

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Laurus nobilis L. (laurel) leaves are frequently used as a spice for cooking purposes. Folk medicine in many countries uses the infusion of the plant in stomachic and carminative remedies, as well as for the treatment of gastric diseases. Little information is available about the phytochemical

Gastroprotective effect and antioxidant properties of different Laurus nobilis L. leaf extracts.

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Laurus nobilis L. (Family Lauraceae) is an evergreen tree widely distributed in the Mediterranean area and Europe. It is used in folk medicine of different countries as a stomachic and carminative as well as in treatment of gastric diseases. Extracts obtained with different methods (methanol and

Effective antibacterial and antioxidant properties of methanolic extract of Laurus nobilis seed oil.

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This study was carried out to determine the in vitro antimicrobial and antioxidant activities of the essential oil, seed oil, and methanolic extract of seed oil obtained from Laurus nobilis L. (Lauraceae). The methanolic extract of seed oil exhibited more effective antibacterial activity comparing

Ultrasound-assisted extraction of phenolic compounds from Laurus nobilis L. and their antioxidant activity.

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Bay leaves (BL) (Laurus nobilis L., Family: Laureceae) are traditionally used to treat some symptoms of gastrointestinal problems, such as epigastric bloating, impaired digestion, eructing and flatulence. These biological properties are mainly attributed to its phenolic compounds. In this paper,

Isolation and structure elucidation of antioxidant compounds from leaves of Laurus nobilis and Emex spinosus.

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In recent years, there has been increasing interest in finding naturally occurring antioxidants from plants for use in food and medicinal materials to replace synthetic antioxidants since such antioxidants are being restricted due to their side effects like carcinogenicity. The aim of this work was

Monomeric and oligomeric flavan-3-ols and antioxidant activity of leaves from different Laurus sp.

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The phenolic profile and antioxidant activity of three endemic Laurus sp. from Portugal were analysed. Dried leaves of L. nobilis L., L. azorica (Seub.) Franco, and L. novocanariensis Rivas Mart., Lousã, Fern. Prieto, E. Días, J. C. Costa & C. Aguiar, collected in the mainland and in the Azores and

In vitro and in vivo effects of Laurus nobilis L. leaf extracts.

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The in vitro and in vivo antioxidant activities of different extracts of laurel leaves were studied. Free radical scavenging capacity (RSC) was evaluated measuring the scavenging activity on the DPPH, NO, O(2)(.-) and OH radicals. The effects on lipid peroxidation (LP) were also evaluated.

Mitigation of lead neurotoxicity by the ethanolic extract of Laurus leaf in rats.

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The present study was conducted in order to assess the chemical composition of Laurus, its antioxidant activities, and benefit from the Laurus extract effect on neurotoxicity caused by lead acetate (Pb). Chemical profile was assayed by using liquid chromatography coupled with high-resolution mass

Phytosynthesis of CuONPs via Laurus nobilis: Determination of antioxidant content, antibacterial activity and dye decolorization potential

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Copper oxide nanoparticles (CuONPs) were phytosynthesized via Laurus nobilis leaf extract which was used as reducing and capping agent. UV-vis spectroscopy was applied and the spectrum of CuONPs gave a peak around 300 and 325 nm. An intense Fourier transform infrared spectroscopy (FT-IR) between

Laurus nobilis L. Extracts against Paenibacillus larvae: Antimicrobial activity, antioxidant capacity, hygienic behavior and colony strength.

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The aim of this work was to compare the antimicrobial activity against Paenibacillus larvae and the antioxidant capacity of two Laurus nobilis L. extracts obtained by different extraction methods. The hydroalcoholic extract was moreover added as supplementary diet to bees in field

Isolation and characterization of alkyl peroxy radical scavenging compound from leaves of Laurus nobilis.

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EtOH-soluble fraction from leaves of Laurus nobilis (bay leaves) possessed the highest alkyl peroxy radical (ROO*) scavenging activity among 120 kinds of herbs and edible plants, using the bioassay system which could determine the viability of Staphylococcus aureus 209p by ROO* cytotoxicity. After

The effect of Laurus nobilis on the blood and lenses antioxidant activity in rabbit under fat-enriched diet.

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Fat-enriched diet is strongly associated with cataract development. Laurus nobilis shows antioxidant activity. Herein we evaluated the effect of Laurus nobilis oral administration on the blood and lenses antioxidant activity in rabbits under fat-enriched diet. Sixty rabbits divided into 4 groups

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Herbal & Natural Medicine

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