the aim followed in the present study was to evaluate the antioxidant activity of individual vs. combined extracts of rosemary leaves and oak fruit to detect the possible interactions in their antioxidant activity following combination and in order to find a way to use oak fruit natural antioxidants as an available massive source in iran. towards this end, methanolic extracts of rosemary and oa...

the essential oils, isolated by hydrodistillation from the leaves, seeds and rhizomes of heracleum sprengelianum (wight and arnott), collected from the western ghats of peninsula india, were analyzed by gas chromatography (gc) and gas chromatography coupled to mass spectrometry (gc–ms). the antioxidant property of these oils was tested, with and without peroxidation inducer, through the egg yol...

the present study was carried out to evaluate the antioxidant and free radical scavenging activity of methanolic extract of ervatamia coronaria leaves (apocynaceae) in various systems. dpph radical, superoxide anion radical, nitric oxide radical and hydroxyl radical scavenging assays were carried out to evaluate the antioxidant potential of the extract. the antioxidant activity of methanolic ex...

the aim of present study was to investigate and compare antioxidant properties of green tea and rosemary extracts and determine the effect of their combination on the antioxidant properties. results of total phenols, dpph free radical scavenging assay, total antioxidant capacity, reducing power and their addition into soybean oil, showed that the green tea extract was significantly (p<0.05) mor...

Antioxidant activity of lactic acid bacteria is associated with multiple health-protective effects. Traditional indexes of chemical antioxidant activities poorly reflect the antioxidant effects of these bacteria in vivo. Cellular antioxidant activity (CAA) assay was used in this study to determine the antioxidant activity of cell-free supernatants (CFSs) of 10 Lactobacillus strains. The perform...

free radicals involved in a number of diseases due to the oxidative damage to dna, lipids, and proteins and which can result in failure of cellular functions. dried plant bulbs and leaves methanolic and ethanolic extracts were prepared. total antioxidant activities of the methanolic extracts of romulea ramiflora and gagea fibrosa were determined using β-caroten-linoleic acid assay. romulea-bulb...

objective(s) the objective of this study was to determine the effect of aqueous extract of origanum vulgare l. ssp. viridis (org) on discrimination learning and long term potentiation (ltp) in ca1 region of the rat hippocampus. materials and methods a group of adult male wistar rats weighing 275±25 g received aqueous extract of org (150, 300, 450 mg/kg/day) by intraperitoneal injection for one ...

Herb and spices namely kesum, ginger and turmeric were extracted by using juice extractor without the additional of solvent. These herb and spices were determined for moisture content and the extracts were analyzed for total phenolic content (TPC) and antioxidant activity (DPPH radical scavenging assay and FRAP ferric-reducing antioxidant power assay). The yield of kesum, ginger and turmeric ex...

The present study was designed to investigate the antioxidant and antitumor activities of Alangium salviifolium (AS) wang flowers. Antioxidant potential of the AS extract was evaluated in vitro by DPPH (1,1diphenyl-2-picrylhydrazyl) scavenging assay and reducing power assay method. AS extract showed scavengin-g activity in all the methods with IC50 value of 182.31 ± 0.31 μg/ml for DPPH assay me...