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الصفحة 1 من عند 22 النتائج

Comparative effects of antioxidants on the toxicity of mixed pyrrolizidine alkaloids from Senecio jacobaea in mice.

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The comparative effects of the antioxidants, butylated hydroxyanisole (BHA), ethoxyquin, and cysteine on pyrrolizidine-alkaloid-induced (PA-induced) lethality and acute hepatotoxicity were assessed in female mice. Diets containing 0.75% BHA, 0.25% ethoxyquin, or 1% cysteine were fed to mice for 10 d

Constituents from Senecio scandens and their antioxidant bioactivity.

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Forty-one compounds including two new constituents, senecainin A (1) and 3-methoxyisonicotinic acid (2), were characterized from the methanol extracts of the whole plant of Senecio scandens. The structures of the new compounds were comprehensively established with the aid of 1D and 2D NMR

Antioxidant, hemolytic and cytotoxic activities of Senecio species used in traditional medicine of northwestern Argentina.

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Senecio nutans Sch. Bip., S. viridis var. viridis Phill. and S. spegazzinii Cabrera are native species used in traditional medicine of northwestern Argentina. The total phenolics, flavonoids and caffeoylquinic acids contents, as well as radical scavenging, antioxidant, hemolytic and cytotoxic

Antioxidative and free radical scavenging activities of selected medicinal herbs.

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The antioxidative and superoxide- and hydroxyl radical-scavenging activities and pro-oxidant effect of twelve selected medicinal herbs were studied. The aqueous extracts of Coptis chinensis, Paeonia suffruticosa, Prunella vulgaris and Senecio scandens exhibited the highest potency in inhibiting rat

Nutritional composition, antioxidant activity and isolation of scopoletin from Senecio nutans: support of ancestral and new uses.

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Continuing with our study characterising Senecio nutans Sch. Bip., we have isolated and identified a simple coumarin, scopoletin, that could be relevant for the biological properties of the species related with the ancestral medical uses. This is the first report of scopoletin from S. nutans. In

Antioxidant Activity and Phytochemical Characterization of Senecio clivicolus Wedd.

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Antioxidant phytochemicals play a key role in oxidative stress control and in the prevention of related disorders, such as premature aging, degenerative diseases, diabetes, and cancer. The aim of this study was to investigate the potential antioxidant activity and the phytochemical profile of

Essential oil composition of Senecio graciliflorus DC: comparative analysis of different parts and evaluation of antioxidant and cytotoxic activities.

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The essential oil of different parts of Senecio graciliflorus DC was obtained by hydrodistillation and analysed by GC-FID and GC-MS for the first time. A total of 17, 20, 19 and 17 constituents were identified comprising 99.90, 95.50, 98.93 and 95.96% of the essential oil of flower, leaf, stem and

Studies on the potential antioxidant properties of Senecio stabianus Lacaita (Asteraceae) and its inhibitory activity against carbohydrate-hydrolysing enzymes.

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This study showed for the first time the antioxidant and hypoglycaemic properties of the methanol, n-hexane and ethyl acetate extracts from Senecio stabianus Lacaita, a plant that belongs to the Asteraceae family. The antioxidant activities were carried out using two different in vitro assays,

Antioxidant and cytotoxic activities of methanolic extract and fractions from Senecio gibbosus subsp. gibbosus (GUSS) DC.

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The aim of this study was to evaluate the in vitro antioxidant and cytotoxic activities of the methanolic extract and fractions of Senecio gibbosus subsp. gibbosus aerial parts. The antioxidant activity was assessed by means of two different tests: (1) bleaching of the stable

[Studies on the antioxidant activities of leaves from Senecio argunensis].

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OBJECTIVE To study antioxidant activities of different extracts of Senecio argunensis. METHODS The antioxidant activities of S. argunensis extracts with acetoacetate, n-Butanol and water were detected by DPPH * free radical-scavenging method and beta-carotene/linoleic acid system. RESULTS The

In vitro antioxidant activities and inhibitory effects of phenolic extract of Senecio biafrae (Oliv and Hiern) against key enzymes linked with type II diabetes mellitus and Alzheimer's disease.

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The phenolic extract of Senecio biafrae leaves was investigated to determine the in vitro antioxidant, phenolic profiles, and inhibition of key enzymes relevant to type II diabetes mellitus (α-amylase and α-glucosidase) and Alzheimer's disease (acetylcholinesterase and butrylcholinesterase). The

Composition and antioxidant activity of Senecio nudicaulis Wall. ex DC. (Asteraceae): a medicinal plant growing wild in Himachal Pradesh, India.

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The composition of essential oil isolated from Senecio nudicaulis Wall. ex DC. growing wild in Himachal Pradesh, India, was analysed, for the first time, by capillary gas chromatography (GC) and GC-mass spectrometry. A total of 30 components representing 95.3% of the total oil were identified. The

Production of Antioxidant Molecules in Polygonum aviculare (L.) and Senecio vulgaris (L.) under Metal Stress: A Possible Tool in the Evaluation of Plant Metal Tolerance

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Plants growing on heavy metal (HM)-polluted soils show toxicity symptoms, such as chlorosis and growth reduction, and undergo oxidative stress due to the formation of reactive oxygen species (ROS). Plants overcome oxidative stress by producing a wide range of antioxidant molecules, such as

Biological properties of different extracts of two Senecio species.

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This study reports on the antioxidant, anti-diabetic and cytotoxic properties of different extracts of two Senecio species, Senecio vulgaris and Senecio inaequidens. Leaves of the latter are used as food in specific populations of Southern of Africa. Both investigated species of Senecio were found

Gastroprotective effect of Senecio candicans DC on experimental ulcer models.

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BACKGROUND Senecio candicans DC (Asteraceae) is used as a remedy for gastric ulcer and stomach pain in the Nilgiris district, Tamil Nadu for which no scientific evidence exists. OBJECTIVE The present study was performed to evaluate the gastroprotective effects and acute oral toxicity of aqueous leaf

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