Free radical scavenging activity
Comparation of free radical scavenging activity between seven species of Passiflora L.
... scavenge free radicals the absorption is inhibited and the colorations ...the free radical scavenging activity of the evaluated samples (MATHIESEN, 1997; LEHUÉDÉ, ...
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Metabolic profiles and free radical scavenging activity of Cordyceps bassiana fruiting bodies according to developmental stage.
... 4).The free radical scavenging activity, which was significantly higher in stage 3 than in the other stages, was positively correlated with purine derivatives such as adenosine, guanosine, ...
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Free radical-scavenging activity and flavonoid contents of Polygonum orientale leaf, stem, and seed extracts
... Taxifolin (≥ 98%) and DPPH were purchased from Sigma Co. (St. Louis, MO, USA). Polygonum orien- tale was obtained from the Bozhou TCM exchanger center (Anhui, China). Methanol and acetic acid (HPLC grade) were provided ...
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Free radical scavenging activity of Berberine in acetaminophen induced liver injury
... three decades as an antidote for AAP toxicity. [5,6] Clinical effi- cacy of NAC is well established. Clinically it is utilized for the chronic obstructive pulmonary disease (COPD) and contrast- induced nephropathy. [6-8] ...
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Free Radical Scavenging Activity of Ethanolic Extracts from Herbs and Spices Commercialized in Brazil
... oregano and nutmeg showed much higher free radical scavenging activity than caraway and basil. The efficiency of the added antioxidants depends, besides the structural features, on many other ...
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SCREENING OF FREE RADICAL SCAVENGING ACTIVITY OF AROGYAVARDHINI VATI
... Amylase activity was determined by following reduction of hydrogen peroxide 11 ...Amylase activity was measured spectrophotometrically at 240 nm and one unit activity was defined as the amount of ...
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Rev. bras. farmacogn. vol.27 número3
... antioxidant activity and then compared (Table 1). The DPPH free radical scavenging activity using UV–vis spectrophotometry was first employed, followed by total phenolics and flavonoid ...
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Antioxidant activity of Maytenus imbricata Mart., Celastraceae
... The free radical scavenging activity (FRS) using 2,2-diphenyl-1-picrylhydrazyl (DPPH), the reducer power and the total phenolic concentration of extracts and compounds isolated from leaves, ...
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Chemical Composition and Antioxidant and Antimycobacterial Activities of Bromelia balansae (Bromeliaceae)
... low free radical scavenging activity and inhibited peroxidation with values ranging from ...low activity might be the presence of high quantities of carbohydrates in fruit of ...the ...
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Hypoglycemic activity of Capparis ovata desf. var. palaestina zoh. methanol extract
... DPPH free radical scavenging activity test, and phenolic and flavonoid compounds analysis of extracts were carried ...hypoglycemic activity. All extracts indicated significant ...
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Chemical Composition, Antioxidant Capacity, Acetyl- and Butyrylcholinesterase Inhibitory Activities of the Essential Oil of Thymus haussknechtii Velen.
... Antioxidant activity tests: Antioxidant activity was evaluated on six tests: DPPH free radical scavenging activity [16], ferrous ion-chelating power test [17], ABTS ...
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GC–MS profiling of bioactive extracts from Haberlea rhodopensis: an endemic resurrection plant
... Abstract: GC–MS metabolic profiling of the apolar and polar fractions from methanolic extracts of Haberlea rhodopensis revealed more than one hundred compounds (amino acids, fatty acids, phenolic acids, sterols, ...
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PHYTOCHEMICAL SCREENING, FLAVONOID CONTENT AND ANTIOXIDANT ACTIVITY OF ETHANOLIC EXTRACT OF CEIBA PENTANDRA
... Free radical scavenging activity of compounds was determined using 1,1-diphenyl-2-picryl hydrazyl (DPPH) free ...100% free radicals) was calculated as percentage ...
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Contents of constituents and antioxidant activity of seed and pulp extracts of Annona coriacea and Annona sylvatica
... antioxidant activity the 1,1-diphenyl-1-picrylhydrazyl free radical (DPPH), β-carotene bleaching and ABTS radical cation ...with free radical scavenging activity of ...
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Chemical composition, botanical evaluation and screening of radical scavenging activity of collected pollen by the stingless bees Melipona rufiventris (Uruçu-amarela)
... composition, free radical scavenging activity, and botanical origin, sample of pollen loads from stingless bee, Melipona rufiventris (Uruçu amarela) was ...The free ...
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Rev. bras. farmacogn. vol.19 número2B
... The free radical scavenging activity (FRS) using 2,2-diphenyl-1-picrylhydrazyl (DPPH), the reducer power and the total phenolic concentration of extracts and compounds isolated from leaves, ...
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DEVELOPMENT OF ANTIOXIDANT POLY(THIOETHER-ESTER) NANOPARTICLES
... antioxidant activity, confirmed by DPPH free radical scavenging activity and β-carotene/linoleic acid assay, probably due to polymer oxidation during the process, which is able to ...
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Radical Scavenging and DNA Cleavage Inhibitory Activities of 2,3-Dihydroxybenzoyl Glycine Obtained from Bacillus subtilis
... Picrylhydrazyl) radical scavenging activity and radical induced DNA cleavage inhibition ...highest radical scavenging effect and DNA cleavage inhibition activity when it ...
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Evaluation of Insecticidal and Anti-oxidant activity of Selected Medicinal Plants
... neutralize free radicals by donating one of their own ...preventing free radical formation (metal chelation), by scavenging free radicals, by preventing the propagation of the oxidative ...
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Free-Radical Scavenging Capacity and Antioxidant Properties of Some Selected Onions (Allium cepa L.) and Garlic (Allium sativum L.) Extracts
... extracts is not well documented. Nevertheless, Duh et al. (1999) reported similar results for Chrysanthemum morifolium with high relationship between phenolics content and scavenging activity of the water ...
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