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pyrola decorata/antioxidant
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11 resultater
Hepatoprotective effect of 2'-O-galloylhyperin against oxidative stress-induced liver damage through induction of Nrf2/ARE-mediated antioxidant pathway.
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2'-O-galloylhyperin (2'-O-GH), an active compound isolated from Pyrola calliantha, possesses remarkable antioxidant activity. The aims of this study were to investigate the hepatoprotective effect of 2'-O-GH against oxidative stress and elucidate the underlying mechanistic signaling pathways in
Antioxidant and Cytoprotective effects of Pyrola decorata H. Andres and its five phenolic components.
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Phenolic Composition of the Leaves of Pyrola rotundifolia L. and Their Antioxidant and Cytotoxic Activity.
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The leaves of Pyrola rotundifolia L. were extracted in the mixed solvent of methanol/acetone/water (2:2:1, v/v/v) and investigated for their phytochemical analysis and biological activity. Total phenolic and flavonoid contents were determined spectrophotometrically. A
An effective homogenate-assisted negative pressure cavitation extraction for the determination of phenolic compounds in pyrola by LC-MS/MS and the evaluation of its antioxidant activity.
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A novel extraction method, homogenate-assisted negative pressure cavitation extraction (HNPCE), was designed for the extraction and determination of the main phenolic compounds of Pyrola incarnata Fisch. by LC-MS/MS. The particle sizes and extraction yields in the process of homogenization were
Variation of active constituents and antioxidant activity in pyrola [P. incarnata Fisch.] from different sites in Northeast China.
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The variation of antioxidant activity and active components in pyrola [Passiflora incarnata Fisch.] from eight sites in Northeast China were investigated. Total phenolic and flavonoid contents were determined and varied within the range of 39.66-181.48 mg/g and 2.47-22.11 mg/g, respectively.
Negative pressure cavitation-microwave assisted preparation of extract of Pyrola incarnata Fisch. rich in hyperin, 2'-O-galloylhyperin and chimaphilin and evaluation of its antioxidant activity.
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A novel and effective extraction method, namely negative pressure cavitation-microwave assisted extraction technique (NMAE), was developed for the preparation of extracts of Pyrola incarnata Fisch., which are rich in the main constituents hyperin, 2'-O-galloylhyperin and chimaphilin. Single factor
Antioxidant activity against H2O2-induced cytotoxicity of the ethanol extract and compounds from Pyrola decorate leaves.
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BACKGROUND
The leaves of Pyrola decorate H. Andr (Pyrolaceae), known as Luxiancao, have long been used for treating kidney deficiency, gastric haemorrhage and rheumatic arthritic diseases in traditional Chinese medicine.
OBJECTIVE
The phytochemicals and antioxidant capacities in vitro of P. decorate
Phytochemical composition, antioxidant activity and HPLC fingerprinting profiles of three Pyrola species from different regions.
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The present study was performed to investigate the variation of phytochemical composition, antioxidant activity and High Performance Liquid Chromatography (HPLC) fingerprinting profiles of three Pyrola species. Thirteen samples (eight P. decorata, three P. calliantha and two P. renifolia) were
2'-O-Galloylhyperin Isolated From Pyrola incarnata Fisch. Attenuates LPS-Induced Inflammatory Response by Activation of SIRT1/Nrf2 and Inhibition of the NF-κB Pathways in Vitro and Vivo.
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2'-O-galloylhyperin, a major compound of Pyrola incarnata Fisch., possesses a variety of biological and pharmacological activities, including anti-oxidative and anti-inflammatory activities. Nevertheless, the underlying molecular mechanisms of 2'-O-GH in microbial infection and sepsis are not clear.
A comprehensive review of the genus Pyrola herbs in traditional uses, phytochemistry and pharmacological activities.
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Pyrola (Pyrolaceae), also known as Luxiancao/in China, was recorded in Sheng Nong's Herbal Classic listed in top grade. Pyrola herbs were used as medicinal plants for a long history with wide-ranging activities of nourishing kidney-yang, strengthening muscles and bones, activating blood, stopping
[Chemical constituents, biological activities and quality control of plants from genus Pyrola].
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Plants from the genus Pyrola are widely distributed in North Temperate zone. The quinones, phenol glycosides, terpenoids, flavonoids and volatile oil compounds have been identified from these plants. The in vivo and in vitro studies have shown that the genus Pyrola plants exhibit a wide range of
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