mahonia/antioxidant

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Target-Guided Isolation of Three Main Antioxidants from Mahonia bealei (Fort.) Carr. Leaves Using HSCCC.

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Mahonia bealei (Fort.) Carr. is an economically important plant that is widely cultivated in Southwest China. Its leaves are commonly used for tea and contain an abundance of antioxidant compounds. However, methods of the systematic purification of antioxidants from M. bealei are

Seasonal differences in xanthophyll cycle characteristics and antioxidants in Mahonia repens growing in different light environments.

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We investigated differences between summer and winter in photosynthesis, xanthophyll cycle-dependent energy dissipation, and antioxidant systems in populations of Mahonia repens (Lindley) Don growing in the eastern foothills of the Colorado Rocky Mountains in deep shade, full exposure, and under a

Antioxidant and antiproliferative properties of water extract from Mahonia bealei (Fort.) Carr. leaves.

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Mahonia bealei (Fort.) Carr. (Berberidaceae) leaves have been widely used as a tea leaf beverage south of the Qinling Mountains of China. In this study, the antioxidant and antiproliferative properties of M. bealei leaves were investigated. Our data showed that the water extract of M. bealei leaves

Acclimation of Foliar Antioxidant Systems to Growth Irradiance in Three Broad-Leaved Evergreen Species.

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The protective role of leaf antioxidant systems in the mechanism of plant acclimation to growth irradiance was studied in Vinca major, Schefflera arboricola, and Mahonia repens, which were grown for several months at 20, 100, and 1200 [mu]mol photons m-2 s-1. As growth irradiance increased, several

Antioxidant and anti-inflammatory activities of selected medicinal plants containing phenolic and flavonoid compounds.

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The antioxidant, anti-inflammatory, and cytotoxic activities of water and ethanol extracts of 14 Chinese medicinal plants were investigated and also their total phenolics and flavonoid contents measured. The antioxidant activity was evaluated in a biological assay using Saccharomyces cerevisiae ,

Antioxidant, Analgesic, Anti-Inflammatory, and Hepatoprotective Effects of the Ethanol Extract of Mahonia oiwakensis Stem.

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The aim of this study was to evaluate pharmacological properties of ethanol extracted from Mahonia oiwakensis Hayata stems (MOS(EtOH)). The pharmacological properties included antioxidant, analgesic, anti-inflammatory and hepatoprotective effects. The protoberberine alkaloid content of the MOS(EtOH)

Lipoxygenase inhibition and antioxidant properties of protoberberine and aporphine alkaloids isolated from Mahonia aquifolium.

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Products of lipoxygenase metabolism play a role in the pathogenesis of psoriasis. Four protoberberine alkaloids, berberine, oxyberberine, jatrorrhizine, columbamine, and two aporphine alkaloids, magnoflorine, and corytuberine, isolated from Mahonia aquifolium, were tested for lipoxygenase

Antiradical and antioxidant activities of alkaloids isolated from Mahonia aquifolium. Structural aspects.

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The antioxidant activities of three alkaloids isolated from Mahonia aquifolium--berberine, jatrorrhizine, and magnoflorine--were studied with respect to their structural aspects, particularly the presence and the position of -OH groups, steric conditions of unpaired electron delocalization and

Phytochemical Analysis of Anti-Inflammatory and Antioxidant Effects of Mahonia aquifolium Flower and Fruit Extracts.

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Oxidative stress and inflammation are interlinked processes. The aim of the study was to perform a phytochemical analysis and to evaluate the antioxidant and anti-inflammatory activities of ethanolic Mahonia aquifolium flower (MF), green fruit (MGF), and ripe fruit (MRF) extracts. Plant extract

Lipoxygenase inhibition and antioxidant properties of bisbenzylisoqunoline alkaloids isolated from Mahonia aquifolium.

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Products of lipoxygenase metabolism are known to play a role in the pathogenesis of psoriasis. Six bisbenzylisoquinoline (BBIQ) alkaloids, oxyacanthine, armoline, baluchistine, berbamine, obamegine, aquifoline, isolated from Mahonia aquifolium, were tested for lipoxygenase inhibition. Berbamine and

The antipsoriatic Mahonia aquifolium and its active constituents; I. Pro- and antioxidant properties and inhibition of 5-lipoxygenase.

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The effects of the extract of the bark of Mahonia aquifolium and its main constituents (berberine, berbamine, oxyacanthine) on 5-lipoxygenase, lipid peroxidation in phospholipid liposomes induced by 2,2'-azo-(bis-2-amidinopropane), deoxyribose degradation, and their reactivities against the free

Antitumoral and Immunomodulatory Effect of Mahonia aquifolium Extracts.

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The prodrug potential of Mahonia aquifolium, a plant used for centuries in traditional medicine, recently gained visibility in the literature, and the activity of several active compounds isolated from its extracts was studied on biologic systems in vitro and in vivo. Whereas

The medicinal uses of the genus Mahonia in traditional Chinese medicine: An ethnopharmacological, phytochemical and pharmacological review.

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BACKGROUND Plants of the genus Mahonia Nuttall (Berberidaceae) have a long history of medical use in Traditional Chinese Medicine (TCM) for the treatment of a wide range of health disorders, such as tuberculosis, periodontitis, dysentery, pharyngolaryngitis, eczema, and wounds. In the theory of TCM,

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