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swertia punctata/antioxidante

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Página 1 a partir de 45 resultados
Medicinal plants are crucial for about 80% of the world population in developing and developed countries for their primary and basic health care needs owing to better tolerability, superior compatibility with human body and having lesser side effects. The present study was conducted on various

Activity-guided isolation of antioxidant xanthones from Swertia chirayita (Roxb.) H. Karsten (Gentianaceae).

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An activity-guided isolation and purification process was used to identify the DPPH (l,l-diphenyl-2-picrylhydrazyl) radical-scavenging components of Swertia chirayita. A dry, whole plant of S. chirayita was extracted with different solvents and tested for its DPPH radical-scavenging activity. The

Antibacterial, Antifungal and antioxidant activities of some medicinal plants.

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The purpose of this study was to evaluate the antibacterial, antifungal and antioxidant activities of medicinal plants. The antibacterial activity of methanolic extracts of three medicinal plants (Swertia chirata, Terminalia bellerica and Zanthoxylum armatum) were tested against Gentamicin (standard
A novel free radical reaction combined with liquid chromatography electrospray ionization tandem mass spectrometry (FRR-LC-PDA-ESI/APCI-MS/MS) screening method was developed for the detection and identification of radical-scavenging natural antioxidants. Functionalized graphene was prepared by

A new xanthone glycoside and antioxidant constituents from the rhizomes of Swertia speciosa.

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From the rhizomes of Swertia speciosa, a traditional medicinal plant from the Himalayan region of Uttaranchal (North India), a new constituent, 6-hydroxy-3,5-dimethoxy-1-[(6-O-beta-D-xylopyranosyl-beta-D-glucopyranosyl)oxy]-9H-xanthen-9-one (8), was isolated, together with nine known compounds.

Antioxidant xanthones from Swertia mussotii, a high altitude plant.

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Four new xanthones, 3,5,6,8-tetrahydroxyxanthone-1-C-β-D-glucoside (1), 7-hydroxy-3,4,8-trimethoxyxanthone-1-O-(β-D-glucoside) (2), 6-hydroxy-3,5-dimethoxyxanthone-1-O-(β-D-glucoside) (3), 3,4,7,8-tetramethoxyxanthone-1-O-(β-D-glucoside) (4), together with twenty-one known xanthones (5-25) were

Phytochemical composition, antioxidant activity and HPLC profiles of Swertia species from Western Ghats.

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Swertia chirayita is one of the potential medicinal plants of the family Gentianaceae in traditional medicine. Due to its high demand and scarcity, trade of chirayita is affected by adulterants. Swertia species from Western Ghats were compared with S. chirayita for phytochemical characterisation and

In vitro and in vivo antioxidant effects of the ethanolic extract of Swertia chirayita.

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BACKGROUND Swertia chirayita, a medicinal herb endemic to the Tibetan region, is used as a special remedy for liver disorders. The hepatoprotective activity of its plant extracts has been associated with its antioxidant activity. This paper aims to investigate the in vitro and in vivo antioxidant

The antioxidative activity of traditional Japanese herbs.

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The objective of this research was to examine the radical scavenging activity of traditional Japanese herbs. Samples used in the experiments were gennoshoko (Geranium nepalense var. thunbergii), yomogi (Artemisia vulgaris var.indica), senburi (Swertia japonica), iwa-tobacco (Conandron ramondioides),
OBJECTIVE Swertiamarin (STM), the main bioactive component in Swertia mussotii Franch (Gentianaceae), has been shown to exert hepatoprotective effects on experimental liver injury. However, the effects and exact mechanisms of STM on carbon tetrachloride (CCl4) causing hepatotoxicity are still

Screening of radical-scavenging natural neuroprotective antioxidants from Swertia chirayita.

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To detect and identify natural antioxidants in Swertia chirayita with protective effect against cerebral infarction, a screening method, using column chromatography and cerebral ischemia-reperfusion injury in rat, was developed. Seventeen compounds were purposefully separated and identified by
The present study demonstrates the influence of LED irradiance of various wavelengths on shoot regeneration, biomass accumulation, photosynthetic pigment contents, and antioxidant potentials of Swertia chirata - a critically endangered medicinal plant. Mixed treatment of blue (BL) and red LEDs (RL)
BACKGROUND Swertia cordata and Swertia chirayita are temperate Himalayan medicinal plants used as potent herbal drugs in Indian traditional systems of medicine (Ayurvedic, Unani and Siddha). OBJECTIVE Assessment of Antioxidant, antibacterial, and antidiabetic potential of Swertia cordata and Swertia

Review on some plants of Indian traditional medicine with antioxidant activity.

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A lot of medicinal plants, traditionally used for thousands of years, are present in a group of herbal preparations of the Indian traditional health care system (Ayurveda) named Rasayana proposed for their interesting antioxidant activities. Among the medicinal plants used in ayurvedic Rasayana for
1, 2, 8-trihydroxy-6-methoxy xanthone (1) and 1, 2- dihydroxy-6-methoxyxanthone-8-O-β-d-xylopyranosyl (2) are the main constituents of petroleum ether and ethyl acetate extracts from Swertia corymbosa (Gentinaceae), a medicinal plant used in Indian traditional system for the treatment of diabetes.
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