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erigeron/antioxidans
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Seite 1 von 32 Ergebnisse
Determination of phenolic compounds and their antioxidant activity in Erigeron acris L. extracts and pharmaceutical formulation by flow injection analysis with inhibited chemiluminescent detection.
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It was found that the chemiluminescence (CL) produced from the reaction of luminol with iodine in the alkaline medium was strongly inhibited by plant phenolic compounds. Based on this finding, a new flow injection CL method was developed for the determination of caffeic acid and
Ecological recovery of vegetation on a coke-factory soil: role of plant antioxidant enzymes and possible implications in site restoration.
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The present paper investigated the short-term colonization by plants of a highly degraded soil in field conditions. The objectives were to identify, through phytosociological analysis, the plant species able to grow on such polluted areas and to characterize pollutant effects at different biological
Studies on antioxidant activities of breviscapine in the cell-free system.
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Breviscapine is a commercially produced plant extract from the Chinese herb Erigeron breviscapus. (Vant.) Hand.-Mazz., which contains 2 main flavonoids. It is widely used in clinic to treat ischemic diseases in which free radicals are considered to be the main causal factor. Our study is aimed to
Ultra-high Performance Liquid Chromatography with Photodiode Array and Chemiluminescence Detection for the Determination of Polyphenolic Antioxidants in Erigeron acris L. Extracts.
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BACKGROUND
The quality of herbs is directly related to the presence of polyphenolic antioxidants. This is the first report on the quantification of individual polyphenolic constituents of Erigeron acris L.
OBJECTIVE
To develop a new method using ultra-high performance liquid chromatography with
Protein glycation inhibitory and antioxidative activities of some plant extracts in vitro.
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The protein glycation inhibitory activity of aqueous ethanolic extracts from 25 plant tissues was evaluated in vitro using the model system of bovine serum albumin and fructose. The most bioactive plant tissue was Allium cepa (skin), followed by Illicium religiosum (bark and wood), Fagopyrum
Neuroprotective effects of scutellarin against hypoxic-ischemic-induced cerebral injury via augmentation of antioxidant defense capacity.
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An increasing number of studies has indicated that hypoxic-ischemic-induced cerebral injury is partly mediated via oxidative stress. Recent researches have focused on searching for drug and herbal manipulations to protect against hypoxic-ischemic-induced oxidative cell damage. Scutellarin is a
Neuroprotective and anti-oxidant effects of caffeic acid isolated from Erigeron annuus leaf.
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BACKGROUND
Since oxidative stress has been implicated in a neurodegenerative disease such as Alzheimer's disease (AD), natural antioxidants are promising candidates of chemopreventive agents. This study examines antioxidant and neuronal cell protective effects of various fractions of the methanolic
Pharmacological basis for application of scutellarin in Alzheimer's disease: Antioxidation and antiapoptosis.
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Scutellarin (SC), mainly extracted from the Chinese herb Erigeron breviscapus (vant.), has been reported to possess various pharmacological activities; however, its effects on Alzheimer's disease (AD) have not been systemically reported. The protective effects of SC on AD were investigated using an
Suppression of diet-induced hypercholesterolemia by scutellarin in rats.
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Hypercholesterolemia is a major risk factor for the development and progression of cardiovascular diseases including atherosclerosis. A major active ingredient, scutellarin, from the plant Erigeron breviscapus was investigated for its hypocholesterolemic and atheroscleroprotective effects (30 and
Role of Scutellarin in Ameliorating Lung Injury in a Rat Model of Bilateral Hind Limb Ischemia-Reperfusion.
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The lung is one of the most sensitive organs that are vulnerable to injuries induced by lower limb ischemia-reperfusion. Scutellarin is a flavonoid glycoside extracted from the Chinese herb Erigeron breviscapus. This study aimed to investigate the role of scutellarin in ameliorating lung injury in a
Effects of Erigeron breviscapus ethanol extract on neuronal oxidative injury induced by superoxide radical.
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Antioxidant activity of the ethanol extract of Erigeron breviscapus (EEEB) were studied by using neuron oxidative injury model induced by superoxide radical. EEEB at the dose of 10-140 mug/ml reduced significantly the lipid peroxidation levels and lactic dehydrogenase (LDH) release from neuron
Screening of free radical scavengers from Erigeron breviscapus using on-line HPLC-ABTS/DPPH based assay and mass spectrometer detection.
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Erigeron breviscapus is a well-known traditional Chinese herbal medicine. In this study, on-line HPLC-ABTS/DPPH assay coupled with MS detection were applied to screen and identify the free radical scavengers in 70% methanol extracts of E. breviscapus. Using on-line HPLC-ABTS-MS and HPLC-DPPH-MS
Biological Activities of the Essential Oil from Erigeron floribundus.
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Erigeron floribundus (Asteraceae) is an herbaceous plant widely used in Cameroonian traditional medicine to treat various diseases of microbial and non-microbial origin. In the present study, we evaluated the in vitro biological activities displayed by the essential oil obtained from the aerial
[Physiological differences and their genetic backgrounds of Erigeron breviscapus populations under enhanced UV-B radiation].
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A simulation experiment was conducted under greenhouse condition to study the effects of enhanced UV-B radiation (280-320 nm) on the flavonoid and MDA contents and antioxidant enzyme activities of six Erigeron breviscapus populations, and the intraspecific differences in physiology to the UV-B
Paraquat resistance of weeds--the case of Conyza canadensis (L.) Cronq.
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The paper gives an overview of literature on paraquat resistance of weeds and the proposed mechanism of resistance. New results we achieved on horseweed (Conyza canadensis /L./, Cronq.) are discussed in detail. It was demonstrated that there is no significant constitutive difference related to the
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