petasites fragrans/антиоксиданс

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Butterbur (Petasites japonicus Max.) extract improves lipid profiles and antioxidant activities in monosodium L-glutamate-challenged mice.

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We investigated the effect of the butanol fraction from the methanol extract of butterbur (Petasites japonicus Max.) (BMP) on the plasma lipid profiles and oxidative damage of liver in mice challenged with monosodium l-glutamate (MSG). ICR mice (6-8 weeks old, male) were fed BMP (0.1% or 0.3%) for 1

A new furofuran lignan with antioxidant and antiseizure activities from the leaves of Petasites japonicus.

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A new furofuran lignan (1) was isolated from the n-butanol fraction of the methanolic extract of the leaves of Petasites japonicus (Sieb. et Zucc.) Maxim. (Compositae). The structure of compound 1 was determined to be

In vitro and in vivo evaluation of antioxidant activity of Petasites japonicus Maxim. flower buds extracts.

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The antioxidant activity of Petasites japonicus flower buds cultivated in Tokushima, Japan, was examined in vitro and in vivo. The flower bud extracts were assayed using either oxygen radical absorbance capacity or 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging

Rapid identification and evaluation of antioxidant compounds from extracts of Petasites japonicus by hyphenated-HPLC techniques.

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Gradient HPLC coupled to Diode Array Detector (DAD), MS/MS and NMR was applied to the rapid structure determination of major compounds of methanol extracts from leaves and roots of Petasites japonicus. The relative antioxidant capacities of the compounds were evaluated by an HPLC system with

Evaluation of the antioxidant activities and nutritional properties of ten edible plant extracts and their application to fresh ground beef.

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In this study, we assessed the antioxidant efficacy and nutritional value of 10 leafy edible plants and evaluated their potential as natural antioxidants for meat preservation. We measured total phenolic content, 2,2-diphenyl-1-picryl-hydrazil (DPPH) radical scavenging activity, and vitamin C,

Chemical composition and antioxidant activity of the essential oil of aerial parts of Petasites albus from Iran: a good natural source of euparin.

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The chemical composition of the essential oil of Petasites albus (known as 'Baba Adam' in Iran) was investigated by capillary gas chromatography and gas chromatography-mass spectrometry for the first time. Twenty components were identified, accounting for 99.7% of the oil composition. The major

Bakkenolides from Petasites tricholobus and their neuroprotective effects related to antioxidant activities.

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Four novel bakkenolides - bakkenolide-Ia ( 1), bakkenolide-IIa ( 2), bakkenolide-IIIa ( 3) and bakkenolide-IVa ( 4) - were isolated from the extract of the rhizome of Petasites tricholobus. The structures were characterized by using NMR ( (1)H, (13)C, (1)H- (1)H COSY, HMQC, HMBC, and NOESY) and mass

Antioxidant activity and cytotoxicity of methanol extracts from aerial parts of Korean salad plants.

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The aim of this investigation was to determine the content of total phenolics, antioxidant activity and cytotoxicity of methanol extracts from the aerial parts of 11 Korean medicinal salad plants. The highest total phenolic content of the methanol extracts was found in Aster scaber (17.1 mg 100

Antioxidant compounds of Petasites japonicus and their preventive effects in chronic diseases: a review

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Petasites japonicus (P. japonicus) is a plant of the Asteraceae family. Its roots and stems have been used for the treatment or the prophylaxis of migraine and tension headache as a traditional Chinese medicine in Japan and Korea. Sesquiterpenoids, lignans, and flavonoids are

LC-MS/MS characterization, anti-inflammatory effects and antioxidant activities of polyphenols from different tissues of Korean Petasites japonicus (Meowi).

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The Korean Petasites japonicus is a perennial plant used in folk medicine as a remedy for many diseases and popularly consumed as spring greens. Ten polyphenols were characterized from the leaves, stems and roots of this plant via high-performance liquid chromatography-tandem mass spectrometry.

Green synthesis and antioxidant activity of novel series of benzofurans from euparin extracted of Petasites hybridus.

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A novel class of benzofuran derivatives is prepared from the isocyanide-based MCR, euparin and aldehydes in the presence of ZnO-nanorods as a catalyst in excellent yields at room temperature under solvent-free conditions as a green reaction medium. Also, the antioxidant activities of some

AMPK/Nrf2 signaling is involved in the anti-neuroinflammatory action of Petatewalide B from Petasites japonicus against lipopolysaccharides in microglia.

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OBJECTIVE Abnormal microglia secrete neuroinflammatory factors that play a pivotal role in neurodegenerative-disorder development. Thus, regulating abnormal microglia-activation could be a promising therapeutic strategy. The purposes of this study included investigating the effect of Petatewalide B

Phytochemistry, Toxicology and Therapeutic Value of Petasites hybridus Subsp. Ochroleucus (Common Butterbur) from the Balkans

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Petasites hybridus (Common butterbur) is extensively used in traditional medicine, and is currently gaining interest and popularity as a food supplement and for its medicinal properties. It contains a large number of active compounds of potential therapeutic activity, but also toxic

[Phenolic components from Petasites tricholobus].

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OBJECTIVE To study the anti-inflammatory and antioxidant effects of Petasites tricholobus and its phenolic components. METHODS Phenolic compounds were separated purified by column chromatographic methods such as macroporous resin D-101, silica gel, ODS, MCI GEL CHP 20P, Sephadex LH-20. Their

A novel phenylpropenoyl sulfonic acid and a new chlorophyll from the leaves of Petasites formosanus KITAMURA.

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A novel phenylpropenoyl sulfonic acid, petasiformin-A (1), and a new chlorophyll, petasiphyll-A (2), were isolated from the leaves of Petasites formosanus KITAMURA (Compositae). Their structures were established by spectral and chemical transformation methods. Petasiformin-A (1) showed the

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